diff --git a/docker/python-base/Dockerfile b/docker/python-base/Dockerfile
index f4e709c698..60158d9522 100644
--- a/docker/python-base/Dockerfile
+++ b/docker/python-base/Dockerfile
@@ -2,7 +2,7 @@
 #
 # 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
+# You may obtain a copy of the License at:
 #
 #    http://www.apache.org/licenses/LICENSE-2.0
 #