diff --git a/src/brchess.c b/src/brchess.c
index 405a790..6b9cef3 100644
--- a/src/brchess.c
+++ b/src/brchess.c
@@ -1,6 +1,6 @@
 /* brchess.c - main loop.
  *
- * Copyright (C) 2021 Bruno Raoult ("br")
+ * Copyright (C) 2021-2023 Bruno Raoult ("br")
  * Licensed under the GNU General Public License v3.0 or later.
  * Some rights reserved. See COPYING.
  *