Copyright for mess-desktop-entries source package in Buster

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: mess-desktop-entries
Source: https://download.gnome.org/sources/mess-desktop-entries/

Files: *
Copyright: Copyright © 2011 Matthew Barnes 
License: GPL-3+

Files: debian/*
Copyright: Copyright © 2011 Jordi Mallach 
License: GPL-3+

License: GPL-3+
 mess-desktop-entries is free software; you can redistribute it
 and/or modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 3 of
 the License, or (at your option) any later version.
 .
 mess-desktop-entries is distributed in the hope that it will be
 useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program; if not, see .
 .
 On Debian systems, the complete text of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-3'.