diff --git a/mautrix_telegram/util/tgs_converter.py b/mautrix_telegram/util/tgs_converter.py
index 1fdf3546..8400ff21 100644
--- a/mautrix_telegram/util/tgs_converter.py
+++ b/mautrix_telegram/util/tgs_converter.py
@@ -1,6 +1,19 @@
-# Generated by Netbeans
-# Author: Eramde
-# Date: 09.2019
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Telegram lottie sticker converter
+# Copyright (C) 2019 Randall Eramde Lawrence
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 import logging
 from io import BytesIO
 from typing import Optional, Tuple