Update README.rst

vzhong · web-flow · commit 3a68ddeb9e58 · 2017-11-16T20:19:10.000-08:00
diff --git a/README.rst b/README.rst
@@ -12,7 +12,9 @@ server <https://stanfordnlp.github.io/CoreNLP/corenlp-server.html>`_.
 
 ----
 
-Usage::
+Usage:
+
+.. code-block:: python
   
   from corenlp_protobuf import Document, parseFromDelimitedString
 
