diff --git a/doc/copyright.texi b/doc/copyright.texi
index 9bfab5f98..563493e3c 100644
--- a/doc/copyright.texi
+++ b/doc/copyright.texi
@@ -19,7 +19,7 @@
 @copyrightstart
 @verbatim
 
-Copyright (c) 1997-2008 Kungliga Tekniska Högskolan 
+Copyright (c) 1997-2011 Kungliga Tekniska Högskolan 
 (Royal Institute of Technology, Stockholm, Sweden).
 All rights reserved.