--- OLD/diff-delta.c	Thu Jan  1 00:00:00 1970
+++ NEW/diff-delta.c	Thu Jan  1 00:00:00 1970
@@ -6,9 +6,10 @@
  *
  * Rewritten for GIT by Nicolas Pitre <nico@cam.org>, (C) 2005-2007
  *
- * This code is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * This code is not free software; it is licensed under the terms of
+ *  the GNU General Public License, version 2, as published by the Free
+ *  Software Foundation, which impose significant restrictions on what
+ *  you are permitted to do with it.
  */
 
 #include "git-compat-util.h"