Documentation updates

docs/connector.rst

@@ -1,5 +1,5 @@
 Postgres Connector
-=================
+==================
 A :class:`~sprockets_postgres.PostgresConnector` instance contains a cursor for
 a Postgres connection and methods to execute queries.
 

docs/example.rst

@@ -9,8 +9,7 @@ The following code provides a simple example for using the
     from sprockets.http import app
 
 
-    class RequestHandler(postgres.RequestHandlerMixin,
-                         web.RequestHandler):
+    class RequestHandler(postgres.RequestHandlerMixin, web.RequestHandler):
 
         GET_SQL = """\
         SELECT foo_id, bar, baz, qux
@@ -29,6 +28,9 @@ The following code provides a simple example for using the
         setup the pool to connect to PostgreSQL and will shutdown the connections
         cleanly when the application stops.
 
+        It should be used in conjunction with ``sprockets.http.app.Application``
+        and not directly with ``tornado.web.Application``.
+
         """
 
 

docs/index.rst

@@ -5,13 +5,15 @@ in :class:`Tornado <tornado.web.Application>` /
 :class:`sprockets.http <sprockets.http.app.Application>` applications using
 :py:mod:`aiopg`.
 
+Python versions supported: 3.7+
+
 Installation
 ------------
 ``sprockets-postgres`` is available on the Python package index and is installable via pip:
 
 .. code:: bash
 
-    pip install sprockets-postgres
+    pip3 install sprockets-postgres
 
 
 Documentation

docs/query_result.rst

@@ -1,5 +1,5 @@
 Query Result
-===========
+============
 A :class:`~sprockets_postgres.QueryResult` instance is created for every query
 and contains the count of rows effected by the query and either the ``row`` as
 a :class:`dict` or ``rows`` as a list of :class:`dict`.  For queries that do