diff --git a/core/include/hwtimer_arch.h b/core/include/hwtimer_arch.h
index ab7e841400889b3a5265a44cdde6f5119ebd1c5c..23fa96b890743f363c9ed21ff73e17348bccd465 100644
--- a/core/include/hwtimer_arch.h
+++ b/core/include/hwtimer_arch.h
@@ -41,8 +41,7 @@ void hwtimer_arch_disable_interrupt(void);
 void hwtimer_arch_set(unsigned long offset, short timer);
 
 /**
- * Set a kernel timer to raise an interrupt after ::offset kernel timer ticks
- * from now.
+ * Set a kernel timer to raise an interrupt at specified system time.
  */
 void hwtimer_arch_set_absolute(unsigned long value, short timer);