Raise copyright years

diff --git a/doc/codecomm.txt b/doc/codecomm.txt
index 3817355d32a3d6ae507640d669aca7382973c435..6fadb8554d63e4be44a328a670d40691525c13c1 100644 (file)
--- a/doc/codecomm.txt
+++ b/doc/codecomm.txt
@@ -50,7 +50,7 @@ Header contains:
 
 LICENCE                                                *codecomm-license*
 
-Copyright (C) 2017-2020 Sergey Matveev <stargrave@stargrave.org>
+Copyright (C) 2017-2021 Sergey Matveev <stargrave@stargrave.org>
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by