clarify docs

README.md

@@ -17,3 +17,4 @@ Ansible module that will setup the redis shoot out
 7.    Write a small script/routine in either Java, Python, Ruby, Go, Scala, C#, or JavaScript  to complete the following
 
       see redis_example.rb in files directory
+      it is also installed on /home/ubuntu/redis_example.rb on the OSS node