README.md in json_api_client-0.2.2 vs README.md in json_api_client-0.2.3

@@ -40,11 +40,11 @@
 u = MyApi::User.find(1).first
 u.accounts
 => MyApi::Account.where(user_id: u.id).all
 ```
 
-## Connection options
+## Connection Options
 
 You can configure your connection using Faraday middleware. In general, you'll want 
 to do this in a base model that all your resources inherit from:
 
 ```
@@ -61,9 +61,28 @@
 module MyApi
   class User < Base
     # will use the customized connection
   end
 end
+```
+
+## Custom Connection
+
+You can configure your API client to use a custom connection that implementes the `execute` instance method. It should return data that your parser can handle.
+
+```
+class NullConnection
+  def initialize(*args)
+  end
+
+  def execute(query)
+  end
+end
+
+class CustomConnectionResource < TestResource
+  self.connection_class = NullConnection
+end
+
 ```
 
 ## Custom Parser
 
 You can configure your API client to use a custom parser that implements the `parse` class method.  It should return a `JsonApiClient::ResultSet` instance. You can use it by setting the parser attribute on your model:
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