Update copyright years

[stockfish] / src / tune.h

diff --git a/src/tune.h b/src/tune.h
index 1489fa328c0d3d92a3f91dd3e0ff25e93dcdb459..ef4189688fb5c885ec46b3ad7ff31c97464a7c33 100644 (file)
--- a/src/tune.h
+++ b/src/tune.h
@@ -1,6 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file)
+  Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by