Copyright for libthreadar source package in Sid

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source: 
Upstream-Name: libthreadar
Upstream-Contact: Denis Corbin 

Files:
 *
Copyright:
  2014-2020 Denis Corbin 
License: LGPL-3+

Files:
 debian/*
Copyright:
 2023 John Goerzen 
License: LGPL-3+

License: LGPL-3+
 This package is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 3 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
 Lesser General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program. If not, see .
 .
 On Debian systems, the complete text of the GNU Lesser General
 Public License can be found in "/usr/share/common-licenses/LGPL-3".