diff --git a/libtest/func2.c b/libtest/func2.c
--- a/libtest/func2.c
+++ b/libtest/func2.c
@@ -1,3 +1,8 @@
+/**
+ * test/demos/libtest/func2.c
+ * Copyright (C) 2008 Markus Broeker
+ */
+
 #include <stdio.h>
 
 void func2()