diff --git a/src/postorius/doc/index.rst b/src/postorius/doc/index.rst
index 74c062a..7f0e20f 100644
--- a/src/postorius/doc/index.rst
+++ b/src/postorius/doc/index.rst
@@ -3,7 +3,7 @@
 
 Copyright (C) 2009-2016 by the Free Software Foundation, Inc.
 
-This is Postorius, the new official web interface for the GUN Mailman 3
+This is Postorius, the new official web interface for the GNU Mailman 3
 list management system.