diff --git a/ansi2html/converter.py b/ansi2html/converter.py
index 8e7a306..70e2925 100644
--- a/ansi2html/converter.py
+++ b/ansi2html/converter.py
@@ -6,19 +6,19 @@
 #
 #  Inspired by and developed off of the work by pixelbeat and blackjack.
 #
-#  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 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 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.
+#  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
-#  <http://www.gnu.org/licenses/>.
+#  You should have received a copy of the GNU Lesser General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 import io
 import optparse
diff --git a/ansi2html/style.py b/ansi2html/style.py
index 654579e..72a18bd 100644
--- a/ansi2html/style.py
+++ b/ansi2html/style.py
@@ -2,19 +2,19 @@
 #    Copyright (C) 2012  Kuno Woudt <kuno@frob.nl>
 #    Copyright (C) 2013  Sebastian Pipping <sebastian@pipping.org>
 #
-#    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 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 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.
+#    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
-#    <http://www.gnu.org/licenses/>.
+#    You should have received a copy of the GNU Lesser General Public License
+#    along with this program; if not, write to the Free Software Foundation,
+#    Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 
 from typing import Dict, List
diff --git a/tests/test_ansi2html.py b/tests/test_ansi2html.py
index 5015cfd..b06aa51 100644
--- a/tests/test_ansi2html.py
+++ b/tests/test_ansi2html.py
@@ -7,19 +7,19 @@
 #
 #  Inspired by and developed off of the work by pixelbeat and blackjack.
 #
-#  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 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 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.
+#  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
-#  <http://www.gnu.org/licenses/>.
+#  You should have received a copy of the GNU Lesser General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 import textwrap
 from io import StringIO