diff --git a/lisp/mwheel.el b/lisp/mwheel.el
index 1be3b2ee534..4632caba81d 100644
--- a/lisp/mwheel.el
+++ b/lisp/mwheel.el
@@ -1,6 +1,6 @@
 ;;; mwheel.el --- Wheel mouse support
 
-;; Copyright (C) 1998, 2000, 2001, 2002, 2002, 2004, 2005, 2006, 2007,
+;; Copyright (C) 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
 ;;   2008, 2009, 2010, 2011  Free Software Foundation, Inc.
 ;; Maintainer: William M. Perry <wmperry@gnu.org>
 ;; Keywords: mouse