Copyright for prips source package in Bionic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: prips
Upstream-Contact: Peter Pentchev , Daniel Kelly 
Source: https://devel.ringlet.net/sysutils/prips/
License: GPL-2+

Files: *
Copyright: Copyright (C) 2001 - 2003  Daniel Kelly
           Copyright (C) 2009 - 2018  Peter Pentchev
License: GPL-2+

Files: debian/*
Copyright: Copyright (c) 2001 - 2003  Juan Alvarez 
           Copyright (c) 2007  Robert S. Edmonds 
           Copyright (c) 2009 - 2011, 2016 - 2018  Peter Pentchev 
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.
  .
  On Debian systems, the complete text of the GNU General Public License
  can be found in file "/usr/share/common-licenses/GPL-2".