diff --git a/tools/utilbox.c b/tools/utilbox.c
index 72116ca..b87a71f 100644
--- a/tools/utilbox.c
+++ b/tools/utilbox.c
@@ -1,5 +1,5 @@
 /* $Id$ */
-/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
+/* Copyright (c) 2011-2020 Pierre Pronchery <khorben@defora.org> */
 /* This file is part of DeforaOS Unix utils */
 /* 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