diff --git a/dict.txt b/dict.txt
index 57bcd18..684e44c 100644
--- a/dict.txt
+++ b/dict.txt
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 Open Networking Foundation <info@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
 # Please keep lines in ascending case-sensitive order, so it's easier to spot duplicates
 # during merge conflict resolution.
 ACL