diff --git a/configs/dt-services.yaml b/configs/dt-services.yaml
index 3c3bcce..d064769 100644
--- a/configs/dt-services.yaml
+++ b/configs/dt-services.yaml
@@ -1,12 +1,34 @@
-# Contains a description of the services that needs to be created for each UNI and the corresponding tagging scheme
+---
+
+# Contains a description of the services that needs to be created for each
+# UNI and the corresponding tagging scheme
 
 # DT
 workflow: dt
 services:
-- name: hsia
-  uni_tag_match: 4096
-  c_tag: 4096
-  c_tag_allocation: shared
-  s_tag: 900
-  s_tag_allocation: unique
-  tp_id: 64
\ No newline at end of file
+  - name: hsia
+    uni_tag_match: 4096
+    c_tag: 4096
+    c_tag_allocation: shared
+    s_tag: 900
+    s_tag_allocation: unique
+    tp_id: 64
+
+# -----------------------------------------------------------------------
+# Copyright 2020-2024 Open Networking Foundation Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2020-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------