diff --git a/magick/threshold.c b/magick/threshold.c
index 85cbd80..cf94977 100644
--- a/magick/threshold.c
+++ b/magick/threshold.c
@@ -17,7 +17,7 @@
 %                                 October 1996                                %
 %                                                                             %
 %                                                                             %
-%  Copyright 1999-2009 ImageMagick Studio LLC, a non-profit organization      %
+%  Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization      %
 %  dedicated to making software imaging solutions freely available.           %
 %                                                                             %
 %  You may not use this file except in compliance with the License.  You may  %