--- a/hgext/parentrevspec.py	Tue Jan 19 22:20:05 2010 -0600
+++ b/hgext/parentrevspec.py	Tue Jan 19 22:20:08 2010 -0600
@@ -3,7 +3,7 @@
 # Copyright (C) 2007 Alexis S. L. Carvalho <alexis@cecm.usp.br>
 #
 # 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.
 
 '''interpret suffixes to refer to ancestor revisions