From dc8b8d7749d6172409092628551ba15c75c442ec Mon Sep 17 00:00:00 2001
From: Marinus Enzinger <m.enzinger@campus.lmu.de>
Date: Mon, 7 Jan 2019 15:29:25 +0100
Subject: [PATCH] doc: add example for problems arising from non unique module
 names

---
 doc/doxygen/src/creating-modules.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/doxygen/src/creating-modules.md b/doc/doxygen/src/creating-modules.md
index 55ad515e2d..426d279493 100644
--- a/doc/doxygen/src/creating-modules.md
+++ b/doc/doxygen/src/creating-modules.md
@@ -37,7 +37,8 @@ application's Makefile.
 ### Pitfalls ###
 
 The `MODULE` name should be unique or build breaks as modules overwrite the
-same output file.
+same output file. This might for example lead to `undefined reference to` errors
+in the linker which can be hard to track down.
 
 This problem happened in the past for:
 
-- 
GitLab