diff --git a/doc/build-system.txt b/doc/build-system.txt
index b7341560c..1fe49940d 100644
--- a/doc/build-system.txt
+++ b/doc/build-system.txt
@@ -1,7 +1,5 @@
 /**
  \defgroup buildsystem The Contiki build system
-
- .
  
  The Contiki build system is designed to make it easy to compile
  Contiki applications for either to a hardware platform or into a