Update README.md

README.md

@@ -3,10 +3,12 @@ A [FaaS](http://get-faas.com) function to generate the first N fib numbers
 
 You can execute the function like this:
 
-`curl http://localhost:8080/function/func_fib -d "https://www.docker.com/sites/default/files/social/docker-facebook-share.png"`
+`curl http://localhost:8080/function/func_fib -d "10"`
 
 (or use the FaaS UI to send the URL)
 
+![](https://pbs.twimg.com/media/C9oep7KUMAAb_eZ.jpg:large)
+
 ## Installation
 
 You can either install `faas-python-fib` via your FaaS compose file or you can add it via the UI.