Update README.md

(this is a no-op commit to test internal syncing)

Author: Jonathan Wayne Parrott

README.md

@@ -5,7 +5,7 @@ This repository holds the samples used in the python documentation on [cloud.goo
 [![Build Status](https://travis-ci.org/GoogleCloudPlatform/python-docs-samples.svg)](https://travis-ci.org/GoogleCloudPlatform/python-docs-samples)
 [![Coverage Status](https://coveralls.io/repos/GoogleCloudPlatform/python-docs-samples/badge.svg)](https://coveralls.io/r/GoogleCloudPlatform/python-docs-samples)
 
-For more detailed introduction to a product, check the README in the
+For more detailed introduction to a product, check the README.md in the
 corresponding folder.
 
 ## Contributing changes