Copyright for tilda source package in Stretch

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: tilda
Upstream-Contact: Sebastian Geiger 
Source: https://github.com/lanoxx/tilda

Files: *
Copyright: 2004-2012, Tristan Sloughter , Ira Snyder 
           2007-2008, Ken Dryer 
           2012-2013, Sebastian Geiger 
License: GPL-2+

Files: debian/*
Copyright: 2004-2013, Davide Truffa 
           2013,      Sebastian Geiger 
License: GPL-2+

License: GPL-2+
  This program 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 program 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 full text of the GNU General Public
  License version 2 can be found in the file
  `/usr/share/common-licenses/GPL-2'.