README.md in createsend-6.0.0 vs README.md in createsend-6.1.0

- old
+ new

@@ -192,10 +192,10 @@
 ```ruby
 should "add a subscriber with custom fields" do
   stub_post(@auth, "subscribers/#{@list_id}.json", "add_subscriber.json")
   custom_fields = [ { :Key => 'website', :Value => 'http://example.com/' } ]
   email_address = CreateSend::Subscriber.add @auth, @list_id, "subscriber@example.com", "Subscriber", custom_fields, true, "Yes"
-  email_address.should == "subscriber@example.com"
+  email_address.should be == "subscriber@example.com"
 end
 ```
 
 ## Documentation
 