update readme

Aaron Gonzales · Aaron Gonzales · commit a6d147e6f843 · 2017-12-14T14:08:12.000-07:00
diff --git a/README.rst b/README.rst
@@ -157,7 +157,7 @@ with each call for authentication.
 
 Your credentials should be put into a YAML file that looks like this:
 
-.. code:: .yaml
+.. code:: yaml
 
 
     twitter_search_api:
