diff --git a/nongnu/packages/mozilla.scm b/nongnu/packages/mozilla.scm
index 7c1cc7e..37896c2 100644
--- a/nongnu/packages/mozilla.scm
+++ b/nongnu/packages/mozilla.scm
@@ -7,14 +7,13 @@
 ;;; Copyright © 2016 Alex Griffin <a@ajgrf.com>
 ;;; Copyright © 2017 Clément Lassieur <clement@lassieur.org>
 ;;; Copyright © 2017, 2018 Nikita <nikita@n0.is>
-;;; Copyright (C) 2017, 2018 ng0 <gillmann@infotropique.org>
+;;; Copyright © 2017, 2018 ng0 <gillmann@infotropique.org>
 ;;; Copyright © 2017, 2018, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2018, 2020 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2019 Ivan Petkov <ivanppetkov@gmail.com>
 ;;; Copyright © 2020 Oleg Pykhalov <go.wigust@gmail.com>
 ;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
 ;;; Copyright © 2019, 2020 Adrian Malacoda <malacoda@monarch-pass.net>
-;;; Copyright (C) 2019, 2020 Adrian Malacoda <malacoda@monarch-pass.net>
 ;;; Copyright © 2020, 2021 Jonathan Brielmaier <jonathan.brielmaier@web.de>
 ;;; Copyright © 2020 Zhu Zihao <all_but_last@163.com>
 ;;; Copyright © 2021 pineapples <guixuser6392@protonmail.com>