Copyright for grml-debootstrap source package in Jammy

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: grml-debootstrap
Upstream-Contact: Michael Prokop 
Source: https://git.grml.org/?p=grml-debootstrap.git;a=summary

Files: *
Copyright: 2006-2019, Michael Prokop 
           2014, 2015, Sebastian Pipping 
           2014, Patrick Schleizer 
           2013, 2014, Markus Rekkenbeil 
           2012, 2013, Evgeni Golov 
           2012, Darshaka Pathirana 
           2010, 2011, 2013, 2014, Christian Hofstaedtler 
           2009, 2010, 2011, Ulrich Dangel 
           2009, Michael Gebetsroither 
           2008, 2010, Tong Sun 
           2007, Alexander Wirt 
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.
 .
 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 General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this package; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 .
 On Debian systems, the complete text of the GNU General Public License,
 version 2 can be found in `/usr/share/common-licenses/GPL-2'.