clean up the readme file

README.md

@@ -5,10 +5,12 @@ This bundle provides various tools to rapidly develop RESTful API's &
 applications with Symfony. Features include:
 
 - A View layer to enable output and format agnostic Controllers
-- A custom route loader to generate url's following REST conventions
 - Accept header format negotiation including handling for custom mime types
 - RESTful decoding of HTTP request body and Accept headers
-- Exception controller for sending appropriate HTTP status codes
+- Map exception codes to HTTP response status codes
+- A serializer error renderer that returns exceptions and errors in a format
+  compatible with RFC 7807 using the Symfony Serializer component or the
+  JMS Serializer
 
 [![Build Status](https://travis-ci.org/FriendsOfSymfony/FOSRestBundle.svg?branch=master)](https://travis-ci.org/FriendsOfSymfony/FOSRestBundle)
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/FriendsOfSymfony/FOSRestBundle/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/FriendsOfSymfony/FOSRestBundle/?branch=master)
@@ -17,18 +19,12 @@ applications with Symfony. Features include:
 [![Latest Stable Version](https://poser.pugx.org/FriendsOfSymfony/rest-bundle/v/stable.svg)](https://packagist.org/packages/FriendsOfSymfony/rest-bundle)
 [![SensioLabsInsight](https://insight.sensiolabs.com/projects/0be23389-2e85-49cf-b333-caaa36d11c62/mini.png)](https://insight.sensiolabs.com/projects/0be23389-2e85-49cf-b333-caaa36d11c62)
 
-Note
-----
-
-FOSRestBundle 1.x is no longer maintained, 1.8 only receives security fixes. Please upgrade to FOSRestBundle 2.x as soon as possible.
-
 Documentation
 -------------
 
 [Read the Documentation](http://symfony.com/doc/master/bundles/FOSRestBundle/index.html)
 
-Please see the [UPGRADING-2.0.md](https://github.com/FriendsOfSymfony/FOSRestBundle/blob/master/UPGRADING-2.0.md) for any
-relevant instructions when upgrading to a newer version.
+Please see the upgrade files (`UPGRADING-X.X.md`) for any relevant instructions when upgrading to a newer version.
 
 Installation
 ------------