diff --git a/apps/plugins/puzzles/rockbox.c b/apps/plugins/puzzles/rockbox.c
index 1aee42d080..0216975614 100644
--- a/apps/plugins/puzzles/rockbox.c
+++ b/apps/plugins/puzzles/rockbox.c
@@ -7,7 +7,7 @@
  *                     \/            \/     \/    \/            \/
  * $Id$
  *
- * Copyright (C) 2018 Franklin Wei
+ * Copyright (C) 2016-2020 Franklin Wei
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License