README.md in carrierwave-mongoid-0.3.0 vs README.md in carrierwave-mongoid-0.3.1

@@ -1,6 +1,6 @@
-# CarrierWave for Mongoid
+# CarrierWave for Mongoid [![Build Status](https://travis-ci.org/jnicklas/carrierwave-mongoid.png?branch=master)](http://travis-ci.org/jnicklas/carrierwave-mongoid)
 
 This gem adds support for Mongoid and MongoDB's GridFS to
 [CarrierWave](https://github.com/jnicklas/carrierwave/)
 
 This functionality used to be part of CarrierWave but has since been extracted
@@ -62,17 +62,20 @@
 database connection and default all storage to GridFS. That might look something
 like this:
 
 ```ruby
 CarrierWave.configure do |config|
-  config.grid_fs_connection = Mongoid.database
   config.storage = :grid_fs
   config.root = Rails.root.join('tmp')
   config.cache_dir = "uploads"
 end
 ```
 
 ## Version differences
+
+### 0.3.x
+
+carrierwave-mongoid ~> 0.3.0 is only compatible with Mongoid 3.0 or higher.
 
 ### 0.2.x
 
 carrierwave-mongoid ~> 0.2.0 is only compatible with Rails 3.2 or higher.