diff --git a/samples/calendar_api/calendar_sample.py b/samples/calendar_api/calendar_sample.py
index bc38464..60c7e72 100644
--- a/samples/calendar_api/calendar_sample.py
+++ b/samples/calendar_api/calendar_sample.py
@@ -7,7 +7,7 @@
 # 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
+#      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,