diff --git a/nico_comment.py b/nico_comment.py
index 79b8ecc..5b72ec0 100755
--- a/nico_comment.py
+++ b/nico_comment.py
@@ -1,5 +1,9 @@
 #!/usr/bin/python3
 
+# SPDX-FileCopyrightText: 2021 Luca Beltrame <lbeltrame@kde.org>
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
 import asyncio
 import argparse
 from datetime import datetime