diff --git a/doc/source/conf.py b/doc/source/conf.py
index 137be1d9..9229ba5f 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -1,6 +1,7 @@
-
 # -*- coding: utf-8 -*-
 #
+# SPDX-License-Identifier: Apache-2.0
+
 # Configuration file for the Sphinx documentation builder.
 #
 # This file does only contain a selection of the most common options. For a
diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index 58e6cc69..f6c20d65 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -1,16 +1,6 @@
 # -*- coding: utf-8 -*-
-# 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-License-Identifier: Apache-2.0
 
 # stx-gui Release Notes documentation build configuration file.
 #