README.md in govuk_ab_testing-1.0.0 vs README.md in govuk_ab_testing-1.0.1

@@ -52,11 +52,11 @@
 ```ruby
 # app/controllers/party_controller.rb
 class PartyController < ApplicationController
   def show
     ab_test = GovukAbTesting::AbTest.new("your_ab_test_name", dimension: 300)
-    @requested_variant = ab_test.requested_variant(request)
+    @requested_variant = ab_test.requested_variant(request.headers)
     @requested_variant.configure_response(response)
 
     if @requested_variant.variant_b?
       render "new_show_template_to_be_tested"
     else
@@ -130,10 +130,10 @@
   should "show the original " do
     setup_ab_variant("your_ab_test_name", "B") # optionally pass in a analytics dimension as the third argument
 
     get :show
 
-    assert_unaffected_by_ab_test
+    assert_response_not_modified_for_ab_test
   end
 end
 ```
 
 ##### RSpec