diff --git a/advanced/connectivity/external-connectivity.rst b/advanced/connectivity/external-connectivity.rst
index 5231df7..1f887b1 100644
--- a/advanced/connectivity/external-connectivity.rst
+++ b/advanced/connectivity/external-connectivity.rst
@@ -1,3 +1,6 @@
+.. SPDX-FileCopyrightText: 2021 Open Networking Foundation <info@opennetworking.org>
+.. SPDX-License-Identifier: Apache-2.0
+
 External Connectivity
 =====================