--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -1,5 +1,5 @@
 # This file is part of libpano13, the hugin build environment.
-# Licence details can be found in the file gpl.txt.
+# Licence details can be found in the file COPYING.
 #
 # Copyright (c) 2009 Kornel Benko, <Kornel.Benko@berlin.de>
 #