--- a/parser/c_compiler/test/error.c
+++ b/parser/c_compiler/test/error.c
@@ -1,3 +1,8 @@
+/**
+ * parser/c_compiler/test/error.c
+ * Copyright (C) 2008 Markus Broeker
+ */
+
 #include <stdio.h>
 #include <stdlib.h>