Mention client websocket support in docs index

Author: asvetlov

docs/client_websockets.rst

@@ -37,7 +37,8 @@ websocket server using response's methods:
 
 You can have the only websocket reader task (which can call ``yield
 from ws.receive()``) and multiple writer tasks which can only send
-data asynchronously (by ``yield from ws.send_str('data')`` for example).
+data asynchronously (by ``yield from ws.send_str('data')`` for
+example).
 
 
 ClientWebSocketResponse

docs/index.rst

@@ -15,8 +15,9 @@ HTTP client/server for :term:`asyncio` (:pep:`3156`).
 Features
 --------
 
-- Supports both :ref:`aiohttp-client` and :ref:`aiohttp-web`.
-- Supports :ref:`aiohttp-web-websockets` out-of-the-box.
+- Supports both :ref:`aiohttp-client` and :ref:`HTTP Server <aiohttp-web>`.
+- Supports both :ref:`Server WebSockets <aiohttp-web-websockets>` and
+  :ref:`Client WebSockets <aiohttp-client-websockets>` out-of-the-box.
 - Web-server has :ref:`aiohttp-web-middlewares` and pluggable routing.
 
 Library Installation