Copyright for pd-pmpd source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: pmpd
Upstream-Contact: Cyrille Henry 
Source: https://sourceforge.net/projects/pure-data/files/libraries/pmpd-0.9.tar.gz

Files: *
Copyright: 2001-2006, 2009, 2010, Cyrille Henry
License: GPL-2+

Files: debian/*
Copyright: 2010-2013, Hans-Christoph Steiner 
 2018, IOhannes m zmölnig 
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 General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.
Comment:
 On Debian systems, the complete text of the GNU General Public License
 version 2 can be found in file "/usr/share/common-licenses/GPL-2".