diff --git a/setup.py b/setup.py
index 07ea5a5d4..7ef9289ff 100755
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ requires utilities which are not available under Windows."""
 #
 #  Distributed under the terms of the Modified BSD License.
 #
-#  The full license is in the file COPYING.txt, distributed with this software.
+#  The full license is in the file COPYING.rst, distributed with this software.
 #-----------------------------------------------------------------------------
 
 #-----------------------------------------------------------------------------