diff --git a/Build.PL b/Build.PL
index e48e5d6a5ae983cdc4d56719db3e21323379cba2..58a1a05705bb3bc62d75d85b95a92134a858c4cf 100644
--- a/Build.PL
+++ b/Build.PL
@@ -17,7 +17,7 @@ Module::Build->new(
 		'Module::Build' => 0.40,
 	},
 	module_name => 'Travel::Routing::DE::VRR',
-	license => 'unrestricted',
+	license => 'perl',
 	requires => {
 		'perl' => '5.10.1',
 		'Class::Accessor' => 0,
diff --git a/lib/Travel/Routing/DE/EFA.pm b/lib/Travel/Routing/DE/EFA.pm
index c627ac0adc8c7f30543533ea594ada7e419ab8e8..989b8fb2495825eecad227ae1ad28dfdb3a64da6 100644
--- a/lib/Travel/Routing/DE/EFA.pm
+++ b/lib/Travel/Routing/DE/EFA.pm
@@ -1284,8 +1284,8 @@ None known.
 
 =head1 AUTHOR
 
-Copyright (C) 2009-2018 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
+Copyright (C) 2009-2020 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
 
 =head1 LICENSE
 
-  0. You just DO WHAT THE FUCK YOU WANT TO.
+This program is licensed under the same terms as Perl itself.
diff --git a/lib/Travel/Routing/DE/EFA/Route.pm b/lib/Travel/Routing/DE/EFA/Route.pm
index 2b67d113984eb86e0c92c9df532ae74973eb7c30..10d71d0e86f5bae94d832f6c1b1e62a28cadfe7f 100644
--- a/lib/Travel/Routing/DE/EFA/Route.pm
+++ b/lib/Travel/Routing/DE/EFA/Route.pm
@@ -118,4 +118,4 @@ Copyright (C) 2011-2015 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
 
 =head1 LICENSE
 
-  0. You just DO WHAT THE FUCK YOU WANT TO.
+This program is licensed under the same terms as Perl itself.
diff --git a/lib/Travel/Routing/DE/EFA/Route/Message.pm b/lib/Travel/Routing/DE/EFA/Route/Message.pm
index db1a208261593da3e2e1f4d94a199f0acf001a5c..d0afe5862005aa1b59254b425b1180b73e75b4a2 100644
--- a/lib/Travel/Routing/DE/EFA/Route/Message.pm
+++ b/lib/Travel/Routing/DE/EFA/Route/Message.pm
@@ -133,4 +133,4 @@ Copyright (C) 2015 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
 
 =head1 LICENSE
 
-  0. You just DO WHAT THE FUCK YOU WANT TO.
+This program is licensed under the same terms as Perl itself.
diff --git a/lib/Travel/Routing/DE/EFA/Route/Part.pm b/lib/Travel/Routing/DE/EFA/Route/Part.pm
index 232d502d763029ec07955b5abd1bb32a2b51a5a9..7bee34abff85f38ac6062a5b12e79d08814e9025 100644
--- a/lib/Travel/Routing/DE/EFA/Route/Part.pm
+++ b/lib/Travel/Routing/DE/EFA/Route/Part.pm
@@ -354,8 +354,8 @@ Class::Accessor(3pm).
 
 =head1 AUTHOR
 
-Copyright (C) 2011-2015 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
+Copyright (C) 2011-2017 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
 
 =head1 LICENSE
 
-  0. You just DO WHAT THE FUCK YOU WANT TO.
+This program is licensed under the same terms as Perl itself.
diff --git a/lib/Travel/Routing/DE/VRR.pm b/lib/Travel/Routing/DE/VRR.pm
index 28a70cc82ecbb0dffdcffb734aac9010cafc62fd..f4cc726cd9e6b76165a5d14722d449418e567ec7 100644
--- a/lib/Travel/Routing/DE/VRR.pm
+++ b/lib/Travel/Routing/DE/VRR.pm
@@ -103,8 +103,8 @@ None known.
 
 =head1 AUTHOR
 
-Copyright (C) 2009-2015 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
+Copyright (C) 2009-2020 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>
 
 =head1 LICENSE
 
-  0. You just DO WHAT THE FUCK YOU WANT TO.
+This program is licensed under the same terms as Perl itself.