README.md in crp-0.0.3 vs README.md in crp-0.0.4

@@ -42,20 +42,18 @@
 Parse the callback received from CRP:
 
 ```` ruby
 require "crp"
  => true
-review_callback_response = CRP::ReviewCallbackResponse.new(callback_response)
+review_callback = CRP::ReviewCallbackRequest.new(callback_request)
  =>
-review_callback_response.successful?
- => true
-review_callback_response.internal_id
+review_callback.internal_id
  => "123"
-review_callback_response.external_id
+review_callback.external_id
  => "4321"
-review_callback_response.result_code
+review_callback.result_code
  => 1
-review_callback_response.result_message
+review_callback.result_message
  => "Approved"
 ````
 
 **WARNING** You are responsible for listening for the callback, the gem does not handle that in any way. Note that CRP expects to see an `ok` body when sending its callback or it will keep sending the same callback over and over again.