diff --git a/mautrix_telegram/commands/portal/util.py b/mautrix_telegram/commands/portal/util.py
index 4846db5c..c76450c1 100644
--- a/mautrix_telegram/commands/portal/util.py
+++ b/mautrix_telegram/commands/portal/util.py
@@ -1,3 +1,19 @@
+# -*- coding: future_fstrings -*-
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2018 Tulir Asokan
+#
+# 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/>.
 from typing import Dict, Tuple
 
 from mautrix_appservice import MatrixRequestError, IntentAPI
diff --git a/mautrix_telegram/db/base.py b/mautrix_telegram/db/base.py
index c3e1756f..9b83ed4a 100644
--- a/mautrix_telegram/db/base.py
+++ b/mautrix_telegram/db/base.py
@@ -1,3 +1,19 @@
+# -*- coding: future_fstrings -*-
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2018 Tulir Asokan
+#
+# 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/>.
 from abc import abstractmethod
 
 from sqlalchemy import Table