diff --git a/advanced/qos.rst b/advanced/qos.rst
index a22bd6f..d51b0ae 100644
--- a/advanced/qos.rst
+++ b/advanced/qos.rst
@@ -1,3 +1,6 @@
+.. SPDX-FileCopyrightText: 2021 Open Networking Foundation <info@opennetworking.org>
+.. SPDX-License-Identifier: Apache-2.0
+
 .. _slicing_qos:
 
 Slicing and QoS