Copyright for dbusada source package in Stretch

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: D_Bus/Ada
Upstream-Contact: Reto Buerki 
Source: http://www.codelabs.ch/download/

Files: *
Copyright: (C) 2011-2014 Reto Buerki 
License: GPL-2+ with Ada exception
 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 program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 MA  02110-1301, USA.
 .
 As a special exception, if other files instantiate generics from
 this unit, or you link this unit with other files to produce an
 executable, this unit does not by itself cause the resulting
 executable to be covered by the GNU General Public License. This
 exception does not however invalidate any other reasons why the
 executable file might be covered by the GNU General Public License.
 .
 On Debian systems, the complete text of the GNU General Public License
 version 2 can be found in the /usr/share/common-licenses/GPL-2 file.