Re-adjusted the spacing in the comments.
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,