diff --git a/concatenation.c b/concatenation.c
--- a/concatenation.c
+++ b/concatenation.c
@@ -1,6 +1,6 @@
-/*
- *     $Id: concatenation.c,v 1.1.1.1 2008-04-28 17:32:53 mbroeker Exp $
- * $Source: /development/c/demos/concatenation.c,v $
+/**
+ * test/demos/concatenation.c
+ * Copyright (C) 2008 Markus Broeker
  */
 
 #include <stdio.h>