diff --git a/packages/defs/icecustom.scm b/packages/defs/icecustom.scm
index 5123674..81c1ce9 100644
--- a/packages/defs/icecustom.scm
+++ b/packages/defs/icecustom.scm
@@ -19,8 +19,9 @@
 ;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
 ;;; Copyright © 2021, 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;; Copyright © 2021 Baptiste Strazzul <bstrazzull@hotmail.fr>
+;;; Copyright © 2023 Adrien 'neox' Bourmault <neox@gnu.org>
 ;;;
-;;; This file is part of GNU Guix.
+;;; This file is not part of GNU Guix.
 ;;;
 ;;; GNU Guix is free software; you can redistribute it and/or modify it
 ;;; under the terms of the GNU General Public License as published by