-Pathmtu 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 a copy of the GNU General Public License in
-/usr/share/common-licenses/GPL; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-USA.
+License: GPL-3.0+
+ Pathmtu 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.
+ .
+ Pathmtu 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 pathmtu. If not, see <https://www.gnu.org/licenses/>.
+ .
+ On Debian systems, the full text of the GNU General Public License
+ version 2 can be found in the file `/usr/share/common-licenses/LGPL-2'.