Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Upstream-Name: QCustomPlot Upstream-Contact: support@qcustomplot.com Source: http://www.qcustomplot.com/ Files-Excluded: documentation/*.qch documentation/html/*.js Comment: A number of files had the executable bit set. I have removed that by using this command inside the examples directory: for file in $(find . -type f -executable -print); do lls ${file}; chmod a-x ${file}; done . Also, the GPL.txt file had its executable bit set. I removed it. Files: * Copyright: 2011-2021, Emanuel Eichhammer License: GPL-3+ On Debian systems the full text of the GPL License version 3.0 can be found in the file /usr/share/common-licenses/GPL-3 Files: debian/* License: GPL-3+ Copyright: Debian contributors, see the changelog. License: GPL-3+ 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 3 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, see .