diff --git a/expandybird/expansion/references.py b/expandybird/expansion/references.py
index f35c7d246..74a7dd903 100644
--- a/expandybird/expansion/references.py
+++ b/expandybird/expansion/references.py
@@ -1,9 +1,12 @@
 ######################################################################
 # Copyright 2015 The Kubernetes Authors All rights reserved.
+#
 # 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.
diff --git a/expandybird/expansion/references_test.py b/expandybird/expansion/references_test.py
index dd1af867e..b811e9304 100644
--- a/expandybird/expansion/references_test.py
+++ b/expandybird/expansion/references_test.py
@@ -1,9 +1,12 @@
 ######################################################################
 # Copyright 2015 The Kubernetes Authors All rights reserved.
+#
 # 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.