README.md in routemaster-drain-1.0.0 vs README.md in routemaster-drain-1.0.1

@@ -1,15 +1,15 @@
 # routemaster-drain
 
 A Rack-based event receiver for the
 [Routemaster](https://github.com/HouseTrip/routemaster) event bus.
 
-![Version](https://badge.fury.io/rb/routemaster-drain.svg)
+[![Version](https://badge.fury.io/rb/routemaster-drain.svg)](https://rubygems.org/gems/routemaster-drain)
  
-![Build](https://travis-ci.org/HouseTrip/routemaster-drain.svg?branch=master)
+[![Build](https://travis-ci.org/HouseTrip/routemaster-drain.svg?branch=master)](https://travis-ci.org/HouseTrip/routemaster-drain)
  
-[![](http://img.shields.io/badge/API%20docs-rubydoc.info-blue.svg)](http://rubydoc.info/github/HouseTrip/routemaster-drain/frames/file/README.md)
+[![Docs](http://img.shields.io/badge/API%20docs-rubydoc.info-blue.svg)](http://rubydoc.info/github/HouseTrip/routemaster-drain/frames/file/README.md)
 
 `routemaster-drain` is a collection of Rack middleware to receive and
 parse Routemaster events, filter them, and preemptively cache the corresponding
 resources.
 
@@ -43,12 +43,17 @@
 **Configuration**
 
 This gem is configured through the environment, making 12factor compliance
 easier.
 
+Required:
+
 - `ROUTEMASTER_DRAIN_TOKENS`: a comma-separated list of valid authentication
   tokens, used by Routemaster to send you events.
+
+Optional:
+
 - `ROUTEMASTER_DRAIN_REDIS`: the URL of the Redis instance used for filtering
   and dirty mapping. Required if you use either feature, ignored otherwise.
   A namespace can be specified.
   Example: `redis://user:s3cr3t@myhost:1234/12/ns`.
 - `ROUTEMASTER_CACHE_REDIS`: the URL of the Redis instance used for caching.
@@ -175,10 +180,10 @@
 
 For this purpose, use `Routemaster::Drain::Caching`:
 
 ```ruby
 require 'routemaster/drain/machine'
-$app = Routemaster::Drain:Caching.new
+$app = Routemaster::Drain::Caching.new
 ```
 
 And mount it as usual:
 
 ```ruby