From d6c213fb47048b9a1800831f31a653c742cb91bb Mon Sep 17 00:00:00 2001
From: Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
Date: Fri, 22 Nov 2013 20:47:05 +0100
Subject: [PATCH] fix grammar in license header

---
 boards/native/board_config.c                       | 2 +-
 boards/native/board_init.c                         | 2 +-
 boards/native/drivers/native-led.c                 | 2 +-
 boards/native/drivers/native-ltc4150.c             | 2 +-
 boards/native/include/board.h                      | 2 +-
 boards/telosb/board.c                              | 2 +-
 boards/telosb/uart.c                               | 2 +-
 core/bitarithm.c                                   | 2 +-
 core/clist.c                                       | 2 +-
 core/hwtimer.c                                     | 2 +-
 core/include/atomic.h                              | 2 +-
 core/include/bitarithm.h                           | 2 +-
 core/include/clist.h                               | 2 +-
 core/include/debug.h                               | 2 +-
 core/include/flags.h                               | 2 +-
 core/include/hwtimer.h                             | 2 +-
 core/include/hwtimer_arch.h                        | 2 +-
 core/include/kernel.h                              | 2 +-
 core/kernel_init.c                                 | 2 +-
 core/msg.c                                         | 2 +-
 core/mutex.c                                       | 2 +-
 core/oneway_malloc.c                               | 2 +-
 core/queue.c                                       | 2 +-
 core/sched.c                                       | 2 +-
 core/thread.c                                      | 2 +-
 cpu/arm_common/VIC.c                               | 2 +-
 cpu/arm_common/arm_cpu.c                           | 2 +-
 cpu/arm_common/bootloader.c                        | 2 +-
 cpu/arm_common/include/VIC.h                       | 2 +-
 cpu/arm_common/include/arm_common.h                | 2 +-
 cpu/cc430/cc430-gpioint.c                          | 2 +-
 cpu/cc430/cc430-rtc.c                              | 2 +-
 cpu/cc430/include/cc430-rtc.h                      | 2 +-
 cpu/lpc2387/cpu.c                                  | 2 +-
 cpu/lpc2387/gpioint/lpc2387-gpioint.c              | 2 +-
 cpu/lpc2387/include/cpu-conf.h                     | 2 +-
 cpu/lpc2387/include/cpu.h                          | 2 +-
 cpu/lpc2387/include/lpc2387-adc.h                  | 2 +-
 cpu/lpc2387/include/lpc2387-rtc.h                  | 2 +-
 cpu/lpc2387/lpc2387-adc.c                          | 2 +-
 cpu/lpc2387/lpc2387-lpm.c                          | 2 +-
 cpu/lpc2387/rtc/lpc2387-rtc.c                      | 2 +-
 cpu/msp430-common/cpu.c                            | 2 +-
 cpu/msp430-common/hwtimer_cpu.c                    | 2 +-
 cpu/msp430-common/include/cpu-conf.h               | 2 +-
 cpu/msp430-common/include/cpu.h                    | 2 +-
 cpu/msp430-common/include/hwtimer_cpu.h            | 2 +-
 cpu/native/atomic_cpu.c                            | 2 +-
 cpu/native/hwtimer_cpu.c                           | 2 +-
 cpu/native/include/cpu-conf.h                      | 2 +-
 cpu/native/include/cpu.h                           | 2 +-
 cpu/native/include/hwtimer_cpu.h                   | 2 +-
 cpu/native/include/nativenet.h                     | 2 +-
 cpu/native/include/nativenet_internal.h            | 2 +-
 cpu/native/include/tap.h                           | 2 +-
 cpu/native/irq_cpu.c                               | 2 +-
 cpu/native/lpm_cpu.c                               | 2 +-
 cpu/native/native_cpu.c                            | 2 +-
 cpu/native/net/interface.c                         | 2 +-
 cpu/native/net/tap.c                               | 2 +-
 cpu/native/rtc/posix-rtc.c                         | 2 +-
 cpu/native/startup.c                               | 2 +-
 cpu/native/syscalls.c                              | 2 +-
 drivers/cc110x/arch_cc1100.h                       | 2 +-
 drivers/cc110x/cc1100-csmaca-mac.c                 | 2 +-
 drivers/cc110x/cc1100-csmaca-mac.h                 | 2 +-
 drivers/cc110x/cc1100-defaultSettings.c            | 2 +-
 drivers/cc110x/cc1100-defaultSettings.h            | 2 +-
 drivers/cc110x/cc1100-interface.h                  | 2 +-
 drivers/cc110x/cc1100-internal.h                   | 2 +-
 drivers/cc110x/cc1100.c                            | 2 +-
 drivers/cc110x/cc1100.h                            | 2 +-
 drivers/cc110x/cc1100_phy.c                        | 2 +-
 drivers/cc110x/cc1100_phy.h                        | 2 +-
 drivers/cc110x/cc1100_spi.c                        | 2 +-
 drivers/cc110x/cc1100_spi.h                        | 2 +-
 drivers/cc110x_ng/cc110x-defaultSettings.c         | 2 +-
 drivers/cc110x_ng/cc110x-rx.c                      | 2 +-
 drivers/cc110x_ng/cc110x-tx.c                      | 2 +-
 drivers/cc110x_ng/cc110x.c                         | 2 +-
 drivers/cc110x_ng/include/cc110x-arch.h            | 2 +-
 drivers/cc110x_ng/include/cc110x-config.h          | 2 +-
 drivers/cc110x_ng/include/cc110x-defaultSettings.h | 2 +-
 drivers/cc110x_ng/include/cc110x-internal.h        | 2 +-
 drivers/cc110x_ng/include/cc110x_ng.h              | 2 +-
 drivers/cc110x_ng/include/cc110x_spi.h             | 2 +-
 drivers/cc110x_ng/spi/cc110x_spi.c                 | 2 +-
 drivers/cc2420/include/cc2420_arch.h               | 2 +-
 drivers/include/gpioint.h                          | 2 +-
 drivers/include/ltc4150_arch.h                     | 2 +-
 drivers/include/rtc.h                              | 2 +-
 drivers/include/sht11.h                            | 2 +-
 drivers/ltc4150/ltc4150.c                          | 2 +-
 drivers/sht11/sht11.c                              | 2 +-
 sys/auto_init/auto_init.c                          | 2 +-
 sys/bloom/bloom.c                                  | 2 +-
 sys/chardev_thread.c                               | 2 +-
 sys/config/config.c                                | 2 +-
 sys/hashes/hashes.c                                | 2 +-
 sys/include/hashes.h                               | 2 +-
 sys/include/posix_io.h                             | 2 +-
 sys/include/radio/radio.h                          | 2 +-
 sys/include/radio/types.h                          | 2 +-
 sys/include/shell.h                                | 2 +-
 sys/lib/ringbuffer.c                               | 2 +-
 sys/lib/ringbuffer.h                               | 2 +-
 sys/net/destiny/destiny.c                          | 2 +-
 sys/net/destiny/socket.c                           | 2 +-
 sys/net/destiny/tcp.c                              | 2 +-
 sys/net/destiny/tcp.h                              | 2 +-
 sys/net/destiny/tcp_hc.c                           | 2 +-
 sys/net/destiny/tcp_timer.c                        | 2 +-
 sys/net/destiny/udp.c                              | 2 +-
 sys/net/destiny/udp.h                              | 2 +-
 sys/net/ieee802154/ieee802154_frame.c              | 2 +-
 sys/net/include/destiny.h                          | 2 +-
 sys/net/include/destiny/socket.h                   | 2 +-
 sys/net/include/destiny/types.h                    | 2 +-
 sys/net/include/ieee802154_frame.h                 | 2 +-
 sys/net/include/ipv6.h                             | 2 +-
 sys/net/include/protocol-multiplex.h               | 2 +-
 sys/net/include/sixlowpan.h                        | 2 +-
 sys/net/include/sixlowpan/error.h                  | 2 +-
 sys/net/include/sixlowpan/icmp.h                   | 2 +-
 sys/net/include/sixlowpan/ip.h                     | 2 +-
 sys/net/include/sixlowpan/lowpan.h                 | 2 +-
 sys/net/include/sixlowpan/mac.h                    | 2 +-
 sys/net/include/sixlowpan/ndp.h                    | 2 +-
 sys/net/include/sixlowpan/types.h                  | 2 +-
 sys/net/protocol-multiplex/protocol-multiplex.c    | 2 +-
 sys/net/rpl/of0.c                                  | 2 +-
 sys/net/rpl/rpl.c                                  | 2 +-
 sys/net/rpl/rpl.h                                  | 2 +-
 sys/net/rpl/rpl_dodag.c                            | 2 +-
 sys/net/rpl/rpl_dodag.h                            | 2 +-
 sys/net/rpl/rpl_structs.h                          | 2 +-
 sys/net/rpl/trickle.c                              | 2 +-
 sys/net/rpl/trickle.h                              | 2 +-
 sys/net/sixlowpan/border.c                         | 2 +-
 sys/net/sixlowpan/border.h                         | 2 +-
 sys/net/sixlowpan/bordermultiplex.c                | 2 +-
 sys/net/sixlowpan/bordermultiplex.h                | 2 +-
 sys/net/sixlowpan/flowcontrol.c                    | 2 +-
 sys/net/sixlowpan/flowcontrol.h                    | 2 +-
 sys/net/sixlowpan/icmp.c                           | 2 +-
 sys/net/sixlowpan/icmp.h                           | 2 +-
 sys/net/sixlowpan/ip.c                             | 2 +-
 sys/net/sixlowpan/ip.h                             | 2 +-
 sys/net/sixlowpan/lowpan.c                         | 2 +-
 sys/net/sixlowpan/lowpan.h                         | 2 +-
 sys/net/sixlowpan/mac.c                            | 2 +-
 sys/net/sixlowpan/serialnumber.c                   | 2 +-
 sys/posix/doc.txt                                  | 2 +-
 sys/posix/include/strings.h                        | 2 +-
 sys/posix/posix_io.c                               | 2 +-
 sys/ps/ps.c                                        | 2 +-
 sys/semaphore/semaphore.c                          | 2 +-
 sys/shell/commands/sc_cc1100.c                     | 2 +-
 sys/shell/commands/sc_cc110x_ng.c                  | 2 +-
 sys/shell/commands/sc_disk.c                       | 2 +-
 sys/shell/commands/sc_id.c                         | 2 +-
 sys/shell/commands/sc_ltc4150.c                    | 2 +-
 sys/shell/commands/sc_nativenet.c                  | 2 +-
 sys/shell/commands/sc_ps.c                         | 2 +-
 sys/shell/commands/sc_rtc.c                        | 2 +-
 sys/shell/commands/sc_sht11.c                      | 2 +-
 sys/shell/shell.c                                  | 2 +-
 sys/transceiver/transceiver.c                      | 2 +-
 168 files changed, 168 insertions(+), 168 deletions(-)

diff --git a/boards/native/board_config.c b/boards/native/board_config.c
index dafdf747aa..9b8d1a49ff 100644
--- a/boards/native/board_config.c
+++ b/boards/native/board_config.c
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU General Public
+ * This file is subject to the terms and conditions of the GNU General Public
  * License. See the file LICENSE in the top level directory for more details.
  *
  * @ingroup native_board
diff --git a/boards/native/board_init.c b/boards/native/board_init.c
index 0abc01573c..2080850b89 100644
--- a/boards/native/board_init.c
+++ b/boards/native/board_init.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU General Public
+ * This file is subject to the terms and conditions of the GNU General Public
  * License. See the file LICENSE in the top level directory for more details.
  *
  * @ingroup native_board
diff --git a/boards/native/drivers/native-led.c b/boards/native/drivers/native-led.c
index 7f9296d7c3..efe934fb34 100644
--- a/boards/native/drivers/native-led.c
+++ b/boards/native/drivers/native-led.c
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU General Public
+ * This file is subject to the terms and conditions of the GNU General Public
  * License. See the file LICENSE in the top level directory for more details.
  *
  * @ingroup native_board
diff --git a/boards/native/drivers/native-ltc4150.c b/boards/native/drivers/native-ltc4150.c
index babe801616..f34a7fe9e3 100644
--- a/boards/native/drivers/native-ltc4150.c
+++ b/boards/native/drivers/native-ltc4150.c
@@ -6,7 +6,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU General Public
+ * This file is subject to the terms and conditions of the GNU General Public
  * License. See the file LICENSE in the top level directory for more details.
  *
  * @ingroup native_board
diff --git a/boards/native/include/board.h b/boards/native/include/board.h
index f1dca63e6a..bd34b7dc60 100644
--- a/boards/native/include/board.h
+++ b/boards/native/include/board.h
@@ -8,7 +8,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU General Public
+ * This file is subject to the terms and conditions of the GNU General Public
  * License. See the file LICENSE in the top level directory for more details.
  *
  * @defgroup native_board
diff --git a/boards/telosb/board.c b/boards/telosb/board.c
index 37b21b4caa..3a95186452 100644
--- a/boards/telosb/board.c
+++ b/boards/telosb/board.c
@@ -2,7 +2,7 @@
    * board.c - Board initiazilation for the TelosB
    * Copyright (C) 2013 Oliver Hahm <oliver.hahm@inria.fr>
    *
-   * This file subject to the terms and conditions of the LGPLv2. See the file
+   * This file is subject to the terms and conditions of the LGPLv2. See the file
    * LICENSE in the  top level directory for more details.
    */
 
diff --git a/boards/telosb/uart.c b/boards/telosb/uart.c
index 1e97bfb569..f38aa5c3a2 100644
--- a/boards/telosb/uart.c
+++ b/boards/telosb/uart.c
@@ -2,7 +2,7 @@
  * uart.c - Implementation for the TelosB UART
  * Copyright (C) 2013 Oliver Hahm <oliver.hahm@inria.fr>
  *
- * This file subject to the terms and conditions of the LGPLv2. See the file
+ * This file is subject to the terms and conditions of the LGPLv2. See the file
  * LICENSE in the top level directory for more details.
  */
 
diff --git a/core/bitarithm.c b/core/bitarithm.c
index e43d97b808..94c8e9efd9 100644
--- a/core/bitarithm.c
+++ b/core/bitarithm.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/clist.c b/core/clist.c
index f8f6c25588..8f9895cf1c 100644
--- a/core/clist.c
+++ b/core/clist.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/hwtimer.c b/core/hwtimer.c
index 4d1b1805b0..ff1700e830 100644
--- a/core/hwtimer.c
+++ b/core/hwtimer.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/include/atomic.h b/core/include/atomic.h
index ec91164e16..f657b456a4 100644
--- a/core/include/atomic.h
+++ b/core/include/atomic.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/include/bitarithm.h b/core/include/bitarithm.h
index 1bca83acb1..4453898566 100644
--- a/core/include/bitarithm.h
+++ b/core/include/bitarithm.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/include/clist.h b/core/include/clist.h
index f9a8d6496c..a0d82a2867 100644
--- a/core/include/clist.h
+++ b/core/include/clist.h
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/include/debug.h b/core/include/debug.h
index c26c3dae1e..fafe2abc8c 100644
--- a/core/include/debug.h
+++ b/core/include/debug.h
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/include/flags.h b/core/include/flags.h
index f2185946d0..10ab0538c6 100644
--- a/core/include/flags.h
+++ b/core/include/flags.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/include/hwtimer.h b/core/include/hwtimer.h
index 61b628682f..c262aa1af9 100644
--- a/core/include/hwtimer.h
+++ b/core/include/hwtimer.h
@@ -22,7 +22,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/core/include/hwtimer_arch.h b/core/include/hwtimer_arch.h
index 71da45bf33..233f95ed77 100644
--- a/core/include/hwtimer_arch.h
+++ b/core/include/hwtimer_arch.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/include/kernel.h b/core/include/kernel.h
index ae3ea892b0..fb819eb927 100644
--- a/core/include/kernel.h
+++ b/core/include/kernel.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/kernel_init.c b/core/kernel_init.c
index 15f15f2ad1..d9ac0093a9 100644
--- a/core/kernel_init.c
+++ b/core/kernel_init.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/msg.c b/core/msg.c
index 40846fe0f4..eb86e21363 100644
--- a/core/msg.c
+++ b/core/msg.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/mutex.c b/core/mutex.c
index 0def398b49..2e1dc1a101 100644
--- a/core/mutex.c
+++ b/core/mutex.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/oneway_malloc.c b/core/oneway_malloc.c
index c8e8fd5c2e..bc314717a1 100644
--- a/core/oneway_malloc.c
+++ b/core/oneway_malloc.c
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/queue.c b/core/queue.c
index 0783a95aaa..6b34f37288 100644
--- a/core/queue.c
+++ b/core/queue.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/sched.c b/core/sched.c
index 9a3de8b451..5012778e48 100644
--- a/core/sched.c
+++ b/core/sched.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/core/thread.c b/core/thread.c
index bce3573943..0ca8106c86 100644
--- a/core/thread.c
+++ b/core/thread.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/arm_common/VIC.c b/cpu/arm_common/VIC.c
index aadbfbf60c..6226a4b151 100644
--- a/cpu/arm_common/VIC.c
+++ b/cpu/arm_common/VIC.c
@@ -1,7 +1,7 @@
 /* Copyright (C) 2005, 2006, 2007, 2008 by Thomas Hillebrandt and Heiko Will
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/arm_common/arm_cpu.c b/cpu/arm_common/arm_cpu.c
index 83acd681f9..eae4f6d5af 100644
--- a/cpu/arm_common/arm_cpu.c
+++ b/cpu/arm_common/arm_cpu.c
@@ -4,7 +4,7 @@
  * Copyright (C) 2008, 2009  Heiko Will <hwill@inf.fu-berlin.de>
  * Copyright (C) 2009  Kaspar Schleiser <kaspar@schleiser.de>
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/arm_common/bootloader.c b/cpu/arm_common/bootloader.c
index 8601fa0462..14813ae8bb 100644
--- a/cpu/arm_common/bootloader.c
+++ b/cpu/arm_common/bootloader.c
@@ -5,7 +5,7 @@
 
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/arm_common/include/VIC.h b/cpu/arm_common/include/VIC.h
index 8d2c42a456..2b61585cdf 100644
--- a/cpu/arm_common/include/VIC.h
+++ b/cpu/arm_common/include/VIC.h
@@ -1,7 +1,7 @@
 /* Copyright (C) 2005, 2006, 2007, 2008 by Thomas Hillebrandt and Heiko Will
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/arm_common/include/arm_common.h b/cpu/arm_common/include/arm_common.h
index 2aed13e7ea..a9f686a2e4 100644
--- a/cpu/arm_common/include/arm_common.h
+++ b/cpu/arm_common/include/arm_common.h
@@ -6,7 +6,7 @@
  * -------------------------------------------------------------------------------
  * This file is part of RIOT.
 
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/cc430/cc430-gpioint.c b/cpu/cc430/cc430-gpioint.c
index bdc1fb4c5d..11f7bf49ce 100644
--- a/cpu/cc430/cc430-gpioint.c
+++ b/cpu/cc430/cc430-gpioint.c
@@ -7,7 +7,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/cc430/cc430-rtc.c b/cpu/cc430/cc430-rtc.c
index 879f053500..bfedcbe0e6 100644
--- a/cpu/cc430/cc430-rtc.c
+++ b/cpu/cc430/cc430-rtc.c
@@ -7,7 +7,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/cc430/include/cc430-rtc.h b/cpu/cc430/include/cc430-rtc.h
index 4bfab59537..0fb871d916 100644
--- a/cpu/cc430/include/cc430-rtc.h
+++ b/cpu/cc430/include/cc430-rtc.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/lpc2387/cpu.c b/cpu/lpc2387/cpu.c
index 69050cf2ad..0ade906bdd 100644
--- a/cpu/lpc2387/cpu.c
+++ b/cpu/lpc2387/cpu.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/lpc2387/gpioint/lpc2387-gpioint.c b/cpu/lpc2387/gpioint/lpc2387-gpioint.c
index d7362f14d1..59454bae27 100644
--- a/cpu/lpc2387/gpioint/lpc2387-gpioint.c
+++ b/cpu/lpc2387/gpioint/lpc2387-gpioint.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/lpc2387/include/cpu-conf.h b/cpu/lpc2387/include/cpu-conf.h
index 9ae31d4658..c325fd3d9c 100644
--- a/cpu/lpc2387/include/cpu-conf.h
+++ b/cpu/lpc2387/include/cpu-conf.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/lpc2387/include/cpu.h b/cpu/lpc2387/include/cpu.h
index 8f770db2dd..072b1ff47d 100644
--- a/cpu/lpc2387/include/cpu.h
+++ b/cpu/lpc2387/include/cpu.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/lpc2387/include/lpc2387-adc.h b/cpu/lpc2387/include/lpc2387-adc.h
index a6da16be63..7f4c91fb6c 100644
--- a/cpu/lpc2387/include/lpc2387-adc.h
+++ b/cpu/lpc2387/include/lpc2387-adc.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/lpc2387/include/lpc2387-rtc.h b/cpu/lpc2387/include/lpc2387-rtc.h
index caa3f2f5f9..d60c05ee6b 100644
--- a/cpu/lpc2387/include/lpc2387-rtc.h
+++ b/cpu/lpc2387/include/lpc2387-rtc.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/lpc2387/lpc2387-adc.c b/cpu/lpc2387/lpc2387-adc.c
index 9a07269d64..89482c50ac 100644
--- a/cpu/lpc2387/lpc2387-adc.c
+++ b/cpu/lpc2387/lpc2387-adc.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/lpc2387/lpc2387-lpm.c b/cpu/lpc2387/lpc2387-lpm.c
index 41da5d5efb..e338fb40a2 100644
--- a/cpu/lpc2387/lpc2387-lpm.c
+++ b/cpu/lpc2387/lpc2387-lpm.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/lpc2387/rtc/lpc2387-rtc.c b/cpu/lpc2387/rtc/lpc2387-rtc.c
index bcbe35c23d..9e72f63ac5 100644
--- a/cpu/lpc2387/rtc/lpc2387-rtc.c
+++ b/cpu/lpc2387/rtc/lpc2387-rtc.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/msp430-common/cpu.c b/cpu/msp430-common/cpu.c
index 291ef83da1..3613131d8d 100644
--- a/cpu/msp430-common/cpu.c
+++ b/cpu/msp430-common/cpu.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 #ifdef CC430
diff --git a/cpu/msp430-common/hwtimer_cpu.c b/cpu/msp430-common/hwtimer_cpu.c
index b0d7ba9d7b..651ac685df 100644
--- a/cpu/msp430-common/hwtimer_cpu.c
+++ b/cpu/msp430-common/hwtimer_cpu.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/msp430-common/include/cpu-conf.h b/cpu/msp430-common/include/cpu-conf.h
index f042302aad..e07cfd6746 100644
--- a/cpu/msp430-common/include/cpu-conf.h
+++ b/cpu/msp430-common/include/cpu-conf.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/msp430-common/include/cpu.h b/cpu/msp430-common/include/cpu.h
index 0063ad4ca2..d1583c925d 100644
--- a/cpu/msp430-common/include/cpu.h
+++ b/cpu/msp430-common/include/cpu.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/msp430-common/include/hwtimer_cpu.h b/cpu/msp430-common/include/hwtimer_cpu.h
index deff34dbcc..8d132b054f 100644
--- a/cpu/msp430-common/include/hwtimer_cpu.h
+++ b/cpu/msp430-common/include/hwtimer_cpu.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
 -------------------------------------------------------------------------------
 This file is part of RIOT.
 
-This file subject to the terms and conditions of the GNU Lesser General Public
+This file is subject to the terms and conditions of the GNU Lesser General Public
 License. See the file LICENSE in the top level directory for more details.
 *******************************************************************************/
 
diff --git a/cpu/native/atomic_cpu.c b/cpu/native/atomic_cpu.c
index 289e7e71ac..99645cbdff 100644
--- a/cpu/native/atomic_cpu.c
+++ b/cpu/native/atomic_cpu.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/native/hwtimer_cpu.c b/cpu/native/hwtimer_cpu.c
index 338d67e7e4..45e70f4b12 100644
--- a/cpu/native/hwtimer_cpu.c
+++ b/cpu/native/hwtimer_cpu.c
@@ -9,7 +9,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/native/include/cpu-conf.h b/cpu/native/include/cpu-conf.h
index 60240c08bd..c9153275dd 100644
--- a/cpu/native/include/cpu-conf.h
+++ b/cpu/native/include/cpu-conf.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/native/include/cpu.h b/cpu/native/include/cpu.h
index 37a449c373..2b4e59654a 100644
--- a/cpu/native/include/cpu.h
+++ b/cpu/native/include/cpu.h
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/cpu/native/include/hwtimer_cpu.h b/cpu/native/include/hwtimer_cpu.h
index 88876ed7ef..32afd3feb3 100644
--- a/cpu/native/include/hwtimer_cpu.h
+++ b/cpu/native/include/hwtimer_cpu.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/native/include/nativenet.h b/cpu/native/include/nativenet.h
index 25c75f6e4e..184604002f 100644
--- a/cpu/native/include/nativenet.h
+++ b/cpu/native/include/nativenet.h
@@ -10,7 +10,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/cpu/native/include/nativenet_internal.h b/cpu/native/include/nativenet_internal.h
index ea7f4b0204..80879203a8 100644
--- a/cpu/native/include/nativenet_internal.h
+++ b/cpu/native/include/nativenet_internal.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/cpu/native/include/tap.h b/cpu/native/include/tap.h
index 28d642233a..719c0b351b 100644
--- a/cpu/native/include/tap.h
+++ b/cpu/native/include/tap.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/cpu/native/irq_cpu.c b/cpu/native/irq_cpu.c
index f05eb618c2..b4b8026dee 100644
--- a/cpu/native/irq_cpu.c
+++ b/cpu/native/irq_cpu.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/native/lpm_cpu.c b/cpu/native/lpm_cpu.c
index f2737fed01..90a82265eb 100644
--- a/cpu/native/lpm_cpu.c
+++ b/cpu/native/lpm_cpu.c
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/native/native_cpu.c b/cpu/native/native_cpu.c
index 4f342cd7e6..ef269dc924 100644
--- a/cpu/native/native_cpu.c
+++ b/cpu/native/native_cpu.c
@@ -6,7 +6,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/native/net/interface.c b/cpu/native/net/interface.c
index a3af8a49e6..13d4aa2786 100644
--- a/cpu/native/net/interface.c
+++ b/cpu/native/net/interface.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/native/net/tap.c b/cpu/native/net/tap.c
index b36f831322..d4be66bd0a 100644
--- a/cpu/native/net/tap.c
+++ b/cpu/native/net/tap.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/native/rtc/posix-rtc.c b/cpu/native/rtc/posix-rtc.c
index 748bf991a4..d532afdcc4 100644
--- a/cpu/native/rtc/posix-rtc.c
+++ b/cpu/native/rtc/posix-rtc.c
@@ -8,7 +8,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General Public
+ * This file is subject to the terms and conditions of the GNU Lesser General Public
  * License. See the file LICENSE in the top level directory for more details.
  *
  * @author  Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
diff --git a/cpu/native/startup.c b/cpu/native/startup.c
index d5f69c447e..5f11ef70fa 100644
--- a/cpu/native/startup.c
+++ b/cpu/native/startup.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/cpu/native/syscalls.c b/cpu/native/syscalls.c
index 861fe2a1a4..a2124ad074 100644
--- a/cpu/native/syscalls.c
+++ b/cpu/native/syscalls.c
@@ -6,7 +6,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/arch_cc1100.h b/drivers/cc110x/arch_cc1100.h
index 17559fa717..132a7a061d 100644
--- a/drivers/cc110x/arch_cc1100.h
+++ b/drivers/cc110x/arch_cc1100.h
@@ -7,7 +7,7 @@
  *
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
 *******************************************************************************/
diff --git a/drivers/cc110x/cc1100-csmaca-mac.c b/drivers/cc110x/cc1100-csmaca-mac.c
index 2d2ff28c94..402831eeb6 100644
--- a/drivers/cc110x/cc1100-csmaca-mac.c
+++ b/drivers/cc110x/cc1100-csmaca-mac.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/cc1100-csmaca-mac.h b/drivers/cc110x/cc1100-csmaca-mac.h
index 7fda9ee73f..278d7c0e33 100644
--- a/drivers/cc110x/cc1100-csmaca-mac.h
+++ b/drivers/cc110x/cc1100-csmaca-mac.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/cc1100-defaultSettings.c b/drivers/cc110x/cc1100-defaultSettings.c
index eb5e9eb79d..8f68b59446 100644
--- a/drivers/cc110x/cc1100-defaultSettings.c
+++ b/drivers/cc110x/cc1100-defaultSettings.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  *  This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/cc1100-defaultSettings.h b/drivers/cc110x/cc1100-defaultSettings.h
index d791302b06..6b2a71ec90 100644
--- a/drivers/cc110x/cc1100-defaultSettings.h
+++ b/drivers/cc110x/cc1100-defaultSettings.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/cc1100-interface.h b/drivers/cc110x/cc1100-interface.h
index 9d9108ea4b..305ece2327 100644
--- a/drivers/cc110x/cc1100-interface.h
+++ b/drivers/cc110x/cc1100-interface.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/cc1100-internal.h b/drivers/cc110x/cc1100-internal.h
index 8c1828150e..cd51e283d5 100644
--- a/drivers/cc110x/cc1100-internal.h
+++ b/drivers/cc110x/cc1100-internal.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/cc1100.c b/drivers/cc110x/cc1100.c
index 6fd400c065..b3f396b0d3 100644
--- a/drivers/cc110x/cc1100.c
+++ b/drivers/cc110x/cc1100.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2009-2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/cc1100.h b/drivers/cc110x/cc1100.h
index 62d9662fdf..4fac1cbf00 100644
--- a/drivers/cc110x/cc1100.h
+++ b/drivers/cc110x/cc1100.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/cc1100_phy.c b/drivers/cc110x/cc1100_phy.c
index a51858bef8..0b3dba8d60 100644
--- a/drivers/cc110x/cc1100_phy.c
+++ b/drivers/cc110x/cc1100_phy.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  *  This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/cc1100_phy.h b/drivers/cc110x/cc1100_phy.h
index 3b9208896b..12eb147ab5 100644
--- a/drivers/cc110x/cc1100_phy.h
+++ b/drivers/cc110x/cc1100_phy.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/cc1100_spi.c b/drivers/cc110x/cc1100_spi.c
index 953901a18d..8448e22acb 100644
--- a/drivers/cc110x/cc1100_spi.c
+++ b/drivers/cc110x/cc1100_spi.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  *  This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x/cc1100_spi.h b/drivers/cc110x/cc1100_spi.h
index 388574a146..cf39e016bc 100644
--- a/drivers/cc110x/cc1100_spi.h
+++ b/drivers/cc110x/cc1100_spi.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x_ng/cc110x-defaultSettings.c b/drivers/cc110x_ng/cc110x-defaultSettings.c
index 3b295cbb38..3de2bf35b2 100644
--- a/drivers/cc110x_ng/cc110x-defaultSettings.c
+++ b/drivers/cc110x_ng/cc110x-defaultSettings.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 INRIA 
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/drivers/cc110x_ng/cc110x-rx.c b/drivers/cc110x_ng/cc110x-rx.c
index 7e2d09c419..c9127571bd 100644
--- a/drivers/cc110x_ng/cc110x-rx.c
+++ b/drivers/cc110x_ng/cc110x-rx.c
@@ -4,7 +4,7 @@
  * Copyright (C) 2009 Freie Universität Berlin
  * Copyright (C) 2013 INRIA 
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x_ng/cc110x-tx.c b/drivers/cc110x_ng/cc110x-tx.c
index 586654058c..a4ba933f99 100644
--- a/drivers/cc110x_ng/cc110x-tx.c
+++ b/drivers/cc110x_ng/cc110x-tx.c
@@ -4,7 +4,7 @@
  * Copyright (C) 2009 Freie Universität Berlin
  * Copyright (C) 2013 INRIA 
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x_ng/cc110x.c b/drivers/cc110x_ng/cc110x.c
index 07feacee11..53f75b99d8 100644
--- a/drivers/cc110x_ng/cc110x.c
+++ b/drivers/cc110x_ng/cc110x.c
@@ -4,7 +4,7 @@
  * Copyright (C) 2013 Freie Universität Berlin
  * Copyright (C) 2013 INRIA 
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x_ng/include/cc110x-arch.h b/drivers/cc110x_ng/include/cc110x-arch.h
index 05700cbe4c..78a22acad6 100644
--- a/drivers/cc110x_ng/include/cc110x-arch.h
+++ b/drivers/cc110x_ng/include/cc110x-arch.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x_ng/include/cc110x-config.h b/drivers/cc110x_ng/include/cc110x-config.h
index 9b959e8140..adad57b9b4 100644
--- a/drivers/cc110x_ng/include/cc110x-config.h
+++ b/drivers/cc110x_ng/include/cc110x-config.h
@@ -4,7 +4,7 @@
  * Copyright (C) 2009 Freie Universität Berlin
  * Copyright (C) 2013 INRIA 
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x_ng/include/cc110x-defaultSettings.h b/drivers/cc110x_ng/include/cc110x-defaultSettings.h
index ff0d626c67..80d0213096 100644
--- a/drivers/cc110x_ng/include/cc110x-defaultSettings.h
+++ b/drivers/cc110x_ng/include/cc110x-defaultSettings.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x_ng/include/cc110x-internal.h b/drivers/cc110x_ng/include/cc110x-internal.h
index 392b30626d..c4a579c8e5 100644
--- a/drivers/cc110x_ng/include/cc110x-internal.h
+++ b/drivers/cc110x_ng/include/cc110x-internal.h
@@ -4,7 +4,7 @@
  * Copyright (C) 2008 Freie Universität Berlin
  * Copyright (C) 2013 INRIA 
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x_ng/include/cc110x_ng.h b/drivers/cc110x_ng/include/cc110x_ng.h
index c3ca907474..e49c911590 100644
--- a/drivers/cc110x_ng/include/cc110x_ng.h
+++ b/drivers/cc110x_ng/include/cc110x_ng.h
@@ -4,7 +4,7 @@
  * Copyright (C) 2009 Freie Universität Berlin
  * Copyright (C) 2013 INRIA 
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x_ng/include/cc110x_spi.h b/drivers/cc110x_ng/include/cc110x_spi.h
index 9be0e1f455..78bfa47a1c 100644
--- a/drivers/cc110x_ng/include/cc110x_spi.h
+++ b/drivers/cc110x_ng/include/cc110x_spi.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc110x_ng/spi/cc110x_spi.c b/drivers/cc110x_ng/spi/cc110x_spi.c
index 449964182c..2afb74c504 100644
--- a/drivers/cc110x_ng/spi/cc110x_spi.c
+++ b/drivers/cc110x_ng/spi/cc110x_spi.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/cc2420/include/cc2420_arch.h b/drivers/cc2420/include/cc2420_arch.h
index 5a4184acc7..6cad707877 100644
--- a/drivers/cc2420/include/cc2420_arch.h
+++ b/drivers/cc2420/include/cc2420_arch.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/include/gpioint.h b/drivers/include/gpioint.h
index 47ef0cb11a..17aa629eca 100644
--- a/drivers/include/gpioint.h
+++ b/drivers/include/gpioint.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/include/ltc4150_arch.h b/drivers/include/ltc4150_arch.h
index 066fc32638..3aded51129 100644
--- a/drivers/include/ltc4150_arch.h
+++ b/drivers/include/ltc4150_arch.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/include/rtc.h b/drivers/include/rtc.h
index 8197e1007d..6b9f6a5302 100644
--- a/drivers/include/rtc.h
+++ b/drivers/include/rtc.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/include/sht11.h b/drivers/include/sht11.h
index de6e8ea8cc..9d05bc71bb 100644
--- a/drivers/include/sht11.h
+++ b/drivers/include/sht11.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/ltc4150/ltc4150.c b/drivers/ltc4150/ltc4150.c
index dc114cc666..0698c681af 100644
--- a/drivers/ltc4150/ltc4150.c
+++ b/drivers/ltc4150/ltc4150.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/drivers/sht11/sht11.c b/drivers/sht11/sht11.c
index ae98b65377..08e9f40325 100644
--- a/drivers/sht11/sht11.c
+++ b/drivers/sht11/sht11.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/auto_init/auto_init.c b/sys/auto_init/auto_init.c
index b58a0a7e37..a1d865c718 100644
--- a/sys/auto_init/auto_init.c
+++ b/sys/auto_init/auto_init.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/bloom/bloom.c b/sys/bloom/bloom.c
index fea7cbda86..ccdffd1cf5 100644
--- a/sys/bloom/bloom.c
+++ b/sys/bloom/bloom.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/chardev_thread.c b/sys/chardev_thread.c
index e802b312a4..54d1004f42 100644
--- a/sys/chardev_thread.c
+++ b/sys/chardev_thread.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013, INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/config/config.c b/sys/config/config.c
index 67330b3928..674fa97d84 100644
--- a/sys/config/config.c
+++ b/sys/config/config.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/hashes/hashes.c b/sys/hashes/hashes.c
index 719c067213..a0e3566bb6 100644
--- a/sys/hashes/hashes.c
+++ b/sys/hashes/hashes.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/sys/include/hashes.h b/sys/include/hashes.h
index 0d2e1b8de6..881d1fbe94 100644
--- a/sys/include/hashes.h
+++ b/sys/include/hashes.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Freie Universität Berlin
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/sys/include/posix_io.h b/sys/include/posix_io.h
index b4fe27378e..9f880b82da 100644
--- a/sys/include/posix_io.h
+++ b/sys/include/posix_io.h
@@ -1,7 +1,7 @@
 /**
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/sys/include/radio/radio.h b/sys/include/radio/radio.h
index 7894fca014..66ed4d9ab7 100644
--- a/sys/include/radio/radio.h
+++ b/sys/include/radio/radio.h
@@ -4,7 +4,7 @@
  * Copyright (C) 2008-2009  Freie Universitaet Berlin (FUB).
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/include/radio/types.h b/sys/include/radio/types.h
index 7610231892..f40f142577 100644
--- a/sys/include/radio/types.h
+++ b/sys/include/radio/types.h
@@ -4,7 +4,7 @@
  * Copyright (C) 2009  Freie Universitaet Berlin (FUB).
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/include/shell.h b/sys/include/shell.h
index 29e46c7096..64a9b45751 100644
--- a/sys/include/shell.h
+++ b/sys/include/shell.h
@@ -6,7 +6,7 @@
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/lib/ringbuffer.c b/sys/lib/ringbuffer.c
index d2bdf5025e..b67f528214 100644
--- a/sys/lib/ringbuffer.c
+++ b/sys/lib/ringbuffer.c
@@ -4,7 +4,7 @@
  * Copyright (C) 2013 Freie Universität Berlin
  * Copyright (C) 2013 INRIA
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/lib/ringbuffer.h b/sys/lib/ringbuffer.h
index 0528b31bce..a953bbc87f 100644
--- a/sys/lib/ringbuffer.h
+++ b/sys/lib/ringbuffer.h
@@ -4,7 +4,7 @@
  * Copyright (C) 2013 Freie Universität Berlin
  * Copyright (C) 2013 INRIA
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/destiny/destiny.c b/sys/net/destiny/destiny.c
index 976a87ac73..f3733a406a 100644
--- a/sys/net/destiny/destiny.c
+++ b/sys/net/destiny/destiny.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/destiny/socket.c b/sys/net/destiny/socket.c
index b22d88102e..279a3b9605 100644
--- a/sys/net/destiny/socket.c
+++ b/sys/net/destiny/socket.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/destiny/tcp.c b/sys/net/destiny/tcp.c
index 018069fd9e..be705327fb 100644
--- a/sys/net/destiny/tcp.c
+++ b/sys/net/destiny/tcp.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/destiny/tcp.h b/sys/net/destiny/tcp.h
index 5803d9b323..9abd0d0215 100644
--- a/sys/net/destiny/tcp.h
+++ b/sys/net/destiny/tcp.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/destiny/tcp_hc.c b/sys/net/destiny/tcp_hc.c
index 3517e3a39d..77343191ac 100644
--- a/sys/net/destiny/tcp_hc.c
+++ b/sys/net/destiny/tcp_hc.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/destiny/tcp_timer.c b/sys/net/destiny/tcp_timer.c
index 6be9f2b0f5..de47653767 100644
--- a/sys/net/destiny/tcp_timer.c
+++ b/sys/net/destiny/tcp_timer.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/destiny/udp.c b/sys/net/destiny/udp.c
index 4cf6c31a61..de0f4892f0 100644
--- a/sys/net/destiny/udp.c
+++ b/sys/net/destiny/udp.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/destiny/udp.h b/sys/net/destiny/udp.h
index 5eab7c460e..dfee1fad9e 100644
--- a/sys/net/destiny/udp.h
+++ b/sys/net/destiny/udp.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/ieee802154/ieee802154_frame.c b/sys/net/ieee802154/ieee802154_frame.c
index 125fedaac3..031ef66cfa 100644
--- a/sys/net/ieee802154/ieee802154_frame.c
+++ b/sys/net/ieee802154/ieee802154_frame.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/destiny.h b/sys/net/include/destiny.h
index e976240707..c468d0d008 100644
--- a/sys/net/include/destiny.h
+++ b/sys/net/include/destiny.h
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/sys/net/include/destiny/socket.h b/sys/net/include/destiny/socket.h
index b0009dd7b0..b0332b3e46 100644
--- a/sys/net/include/destiny/socket.h
+++ b/sys/net/include/destiny/socket.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/destiny/types.h b/sys/net/include/destiny/types.h
index ba2227bb24..01b4f9d59c 100644
--- a/sys/net/include/destiny/types.h
+++ b/sys/net/include/destiny/types.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/ieee802154_frame.h b/sys/net/include/ieee802154_frame.h
index 36231edfe3..224684a5b1 100644
--- a/sys/net/include/ieee802154_frame.h
+++ b/sys/net/include/ieee802154_frame.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/ipv6.h b/sys/net/include/ipv6.h
index 97fc4cceda..e17fc2d8f2 100644
--- a/sys/net/include/ipv6.h
+++ b/sys/net/include/ipv6.h
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/protocol-multiplex.h b/sys/net/include/protocol-multiplex.h
index 441deeba01..f9929916db 100644
--- a/sys/net/include/protocol-multiplex.h
+++ b/sys/net/include/protocol-multiplex.h
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/sixlowpan.h b/sys/net/include/sixlowpan.h
index f7a5e6df8b..8c9dd92e72 100644
--- a/sys/net/include/sixlowpan.h
+++ b/sys/net/include/sixlowpan.h
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/sys/net/include/sixlowpan/error.h b/sys/net/include/sixlowpan/error.h
index ca6c2b69da..e6dc9ecbe9 100644
--- a/sys/net/include/sixlowpan/error.h
+++ b/sys/net/include/sixlowpan/error.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/sixlowpan/icmp.h b/sys/net/include/sixlowpan/icmp.h
index 5d657996f1..391f314268 100644
--- a/sys/net/include/sixlowpan/icmp.h
+++ b/sys/net/include/sixlowpan/icmp.h
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/sixlowpan/ip.h b/sys/net/include/sixlowpan/ip.h
index 5799ee627a..e81cff9690 100644
--- a/sys/net/include/sixlowpan/ip.h
+++ b/sys/net/include/sixlowpan/ip.h
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/sixlowpan/lowpan.h b/sys/net/include/sixlowpan/lowpan.h
index 2edf02174f..90d1dfe9ff 100644
--- a/sys/net/include/sixlowpan/lowpan.h
+++ b/sys/net/include/sixlowpan/lowpan.h
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/sixlowpan/mac.h b/sys/net/include/sixlowpan/mac.h
index ee80476c6e..690bd5999f 100644
--- a/sys/net/include/sixlowpan/mac.h
+++ b/sys/net/include/sixlowpan/mac.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/sixlowpan/ndp.h b/sys/net/include/sixlowpan/ndp.h
index 5789f7624a..5cb7aca2fc 100644
--- a/sys/net/include/sixlowpan/ndp.h
+++ b/sys/net/include/sixlowpan/ndp.h
@@ -4,7 +4,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/include/sixlowpan/types.h b/sys/net/include/sixlowpan/types.h
index 596051a243..8d9cd9724d 100644
--- a/sys/net/include/sixlowpan/types.h
+++ b/sys/net/include/sixlowpan/types.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/protocol-multiplex/protocol-multiplex.c b/sys/net/protocol-multiplex/protocol-multiplex.c
index 1cebb2ba48..83bd20c22f 100644
--- a/sys/net/protocol-multiplex/protocol-multiplex.c
+++ b/sys/net/protocol-multiplex/protocol-multiplex.c
@@ -6,7 +6,7 @@ and Telematics group (http://cst.mi.fu-berlin.de).
  * ----------------------------------------------------------------------------
  * This file is part of RIOT.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/rpl/of0.c b/sys/net/rpl/of0.c
index 3cca85e196..b8d5d0eb46 100644
--- a/sys/net/rpl/of0.c
+++ b/sys/net/rpl/of0.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/rpl/rpl.c b/sys/net/rpl/rpl.c
index 1d5b5f4447..58e8612f13 100644
--- a/sys/net/rpl/rpl.c
+++ b/sys/net/rpl/rpl.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/rpl/rpl.h b/sys/net/rpl/rpl.h
index 6055f496c5..bda4e7870b 100644
--- a/sys/net/rpl/rpl.h
+++ b/sys/net/rpl/rpl.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/rpl/rpl_dodag.c b/sys/net/rpl/rpl_dodag.c
index 0ea3086658..77aefe76f4 100644
--- a/sys/net/rpl/rpl_dodag.c
+++ b/sys/net/rpl/rpl_dodag.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/rpl/rpl_dodag.h b/sys/net/rpl/rpl_dodag.h
index 014a0b51a2..e2a96ad644 100644
--- a/sys/net/rpl/rpl_dodag.h
+++ b/sys/net/rpl/rpl_dodag.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/rpl/rpl_structs.h b/sys/net/rpl/rpl_structs.h
index 3a9d121d37..6da269fb4f 100644
--- a/sys/net/rpl/rpl_structs.h
+++ b/sys/net/rpl/rpl_structs.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/rpl/trickle.c b/sys/net/rpl/trickle.c
index f0d55862bb..ff08ac8f64 100644
--- a/sys/net/rpl/trickle.c
+++ b/sys/net/rpl/trickle.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/rpl/trickle.h b/sys/net/rpl/trickle.h
index d3079d1972..5d8726253f 100644
--- a/sys/net/rpl/trickle.h
+++ b/sys/net/rpl/trickle.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/border.c b/sys/net/sixlowpan/border.c
index bb850bd131..fd84d585b5 100644
--- a/sys/net/sixlowpan/border.c
+++ b/sys/net/sixlowpan/border.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/border.h b/sys/net/sixlowpan/border.h
index 6ee70b8dc4..f9a7d0c9a5 100644
--- a/sys/net/sixlowpan/border.h
+++ b/sys/net/sixlowpan/border.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/bordermultiplex.c b/sys/net/sixlowpan/bordermultiplex.c
index b2aefc6133..e04ccdc8c0 100644
--- a/sys/net/sixlowpan/bordermultiplex.c
+++ b/sys/net/sixlowpan/bordermultiplex.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/bordermultiplex.h b/sys/net/sixlowpan/bordermultiplex.h
index ff67d9980b..5dcd3285cf 100644
--- a/sys/net/sixlowpan/bordermultiplex.h
+++ b/sys/net/sixlowpan/bordermultiplex.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/flowcontrol.c b/sys/net/sixlowpan/flowcontrol.c
index 15f7cf74ae..4fd7affd87 100644
--- a/sys/net/sixlowpan/flowcontrol.c
+++ b/sys/net/sixlowpan/flowcontrol.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/flowcontrol.h b/sys/net/sixlowpan/flowcontrol.h
index b14b7387bf..ea736105c5 100644
--- a/sys/net/sixlowpan/flowcontrol.h
+++ b/sys/net/sixlowpan/flowcontrol.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/icmp.c b/sys/net/sixlowpan/icmp.c
index bf502458ee..4062de8719 100644
--- a/sys/net/sixlowpan/icmp.c
+++ b/sys/net/sixlowpan/icmp.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/icmp.h b/sys/net/sixlowpan/icmp.h
index 37babfe86b..7840704cc0 100644
--- a/sys/net/sixlowpan/icmp.h
+++ b/sys/net/sixlowpan/icmp.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/ip.c b/sys/net/sixlowpan/ip.c
index 7203e79e22..05516f503f 100644
--- a/sys/net/sixlowpan/ip.c
+++ b/sys/net/sixlowpan/ip.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/ip.h b/sys/net/sixlowpan/ip.h
index 9258005e7b..ec5ecf8291 100644
--- a/sys/net/sixlowpan/ip.h
+++ b/sys/net/sixlowpan/ip.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/lowpan.c b/sys/net/sixlowpan/lowpan.c
index c5f536d6b1..1db72ee5b8 100644
--- a/sys/net/sixlowpan/lowpan.c
+++ b/sys/net/sixlowpan/lowpan.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/lowpan.h b/sys/net/sixlowpan/lowpan.h
index 770913875a..ebf4ea44cc 100644
--- a/sys/net/sixlowpan/lowpan.h
+++ b/sys/net/sixlowpan/lowpan.h
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/mac.c b/sys/net/sixlowpan/mac.c
index 92b0e24c53..111559574b 100644
--- a/sys/net/sixlowpan/mac.c
+++ b/sys/net/sixlowpan/mac.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/net/sixlowpan/serialnumber.c b/sys/net/sixlowpan/serialnumber.c
index f774b76627..4195a496f9 100644
--- a/sys/net/sixlowpan/serialnumber.c
+++ b/sys/net/sixlowpan/serialnumber.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/posix/doc.txt b/sys/posix/doc.txt
index 95aef02e23..60e41b850d 100644
--- a/sys/posix/doc.txt
+++ b/sys/posix/doc.txt
@@ -1,7 +1,7 @@
 /*
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/sys/posix/include/strings.h b/sys/posix/include/strings.h
index 508f32aa02..7f08ea30a0 100644
--- a/sys/posix/include/strings.h
+++ b/sys/posix/include/strings.h
@@ -1,7 +1,7 @@
 /**
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/sys/posix/posix_io.c b/sys/posix/posix_io.c
index d10ef6a821..efc731c9f0 100644
--- a/sys/posix/posix_io.c
+++ b/sys/posix/posix_io.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013, INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/ps/ps.c b/sys/ps/ps.c
index 07e7d91cc7..a0f9dc30ca 100644
--- a/sys/ps/ps.c
+++ b/sys/ps/ps.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013, INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/semaphore/semaphore.c b/sys/semaphore/semaphore.c
index af9e7bacc9..9cafb2fbeb 100644
--- a/sys/semaphore/semaphore.c
+++ b/sys/semaphore/semaphore.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/shell/commands/sc_cc1100.c b/sys/shell/commands/sc_cc1100.c
index 6371aedfe0..b1a6a47425 100644
--- a/sys/shell/commands/sc_cc1100.c
+++ b/sys/shell/commands/sc_cc1100.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/shell/commands/sc_cc110x_ng.c b/sys/shell/commands/sc_cc110x_ng.c
index 83850c90a7..6435f454fb 100644
--- a/sys/shell/commands/sc_cc110x_ng.c
+++ b/sys/shell/commands/sc_cc110x_ng.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/shell/commands/sc_disk.c b/sys/shell/commands/sc_disk.c
index 06ae7d7472..69d2a8b5da 100644
--- a/sys/shell/commands/sc_disk.c
+++ b/sys/shell/commands/sc_disk.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/shell/commands/sc_id.c b/sys/shell/commands/sc_id.c
index eb40f07906..b5f0eabe61 100644
--- a/sys/shell/commands/sc_id.c
+++ b/sys/shell/commands/sc_id.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/shell/commands/sc_ltc4150.c b/sys/shell/commands/sc_ltc4150.c
index 85bd52ecc4..9a0587b132 100644
--- a/sys/shell/commands/sc_ltc4150.c
+++ b/sys/shell/commands/sc_ltc4150.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/shell/commands/sc_nativenet.c b/sys/shell/commands/sc_nativenet.c
index bf649d4c65..e3cd4856e8 100644
--- a/sys/shell/commands/sc_nativenet.c
+++ b/sys/shell/commands/sc_nativenet.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013 Ludwig Ortmann.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/shell/commands/sc_ps.c b/sys/shell/commands/sc_ps.c
index e45b8fd349..c6afeabac5 100644
--- a/sys/shell/commands/sc_ps.c
+++ b/sys/shell/commands/sc_ps.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/shell/commands/sc_rtc.c b/sys/shell/commands/sc_rtc.c
index e12f503fb4..be8b530d6b 100644
--- a/sys/shell/commands/sc_rtc.c
+++ b/sys/shell/commands/sc_rtc.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/shell/commands/sc_sht11.c b/sys/shell/commands/sc_sht11.c
index fddf1567de..2fd687785c 100644
--- a/sys/shell/commands/sc_sht11.c
+++ b/sys/shell/commands/sc_sht11.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
diff --git a/sys/shell/shell.c b/sys/shell/shell.c
index 63ae38ec22..3a5c955ee5 100644
--- a/sys/shell/shell.c
+++ b/sys/shell/shell.c
@@ -4,7 +4,7 @@
  * Copyright (C) 2009, Freie Universitaet Berlin (FUB).
  * Copyright (C) 2013, INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  */
diff --git a/sys/transceiver/transceiver.c b/sys/transceiver/transceiver.c
index 4374d67d57..5a491824a7 100644
--- a/sys/transceiver/transceiver.c
+++ b/sys/transceiver/transceiver.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
+ * This file is subject to the terms and conditions of the GNU Lesser General
  * Public License. See the file LICENSE in the top level directory for more
  * details.
  *
-- 
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