--- a/hgext/extdiff.py	Tue Jan 19 22:20:05 2010 -0600
+++ b/hgext/extdiff.py	Tue Jan 19 22:20:08 2010 -0600
@@ -3,7 +3,7 @@
 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
 #
 # This software may be used and distributed according to the terms of the
-# GNU General Public License version 2, incorporated herein by reference.
+# GNU General Public License version 2 or any later version.
 
 '''command to allow external programs to compare revisions