diff --git a/advanced/connectivity/dhcp-relay.rst b/advanced/connectivity/dhcp-relay.rst
index ac24ff1..3bc22cd 100644
--- a/advanced/connectivity/dhcp-relay.rst
+++ b/advanced/connectivity/dhcp-relay.rst
@@ -1,3 +1,6 @@
+.. SPDX-FileCopyrightText: 2021 Open Networking Foundation <info@opennetworking.org>
+.. SPDX-License-Identifier: Apache-2.0
+
 DHCP Relay
 ==========