Copyright for acheck source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0
Upstream-Name: acheck

Files: *
Copyright: 2001-2006 Nicolas Bertolissio 
           2013      Bill Allombert 
           2015      Adam Borowski 
           2017-2019 Paulo Henrique de Lima Santana (phls) 
License: GPL-2+

License: GPL-2+
 This package is free software; you can redistribute it and/or
 modify it under the terms of the GNU Library General Public
 License as published by the Free Software Foundation; either
 version 2 of the License, or (at your option) any later version.
 .
 This package 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
 Library 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 Library General
 Public License can be found in "/usr/share/common-licenses/LGPL-2".