1 files changed, 2 insertions, 1 deletions

diff --git a/m4/hash.h b/m4/hash.h
index 4dc9540a..8852c829 100644
--- a/m4/hash.h
+++ b/m4/hash.h
@@ -1,5 +1,6 @@
 /* GNU m4 -- A simple macro processor
-   Copyright (C) 2001, 2006, 2007, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2006-2007, 2010, 2013 Free Software Foundation,
+   Inc.
    Written by Gary V. Vaughan <gary@gnu.org>
 
    This file is part of GNU M4.