README.md in zendesk_api-1.7.4 vs README.md in zendesk_api-1.8.0

@@ -17,9 +17,10 @@
 * Version 1.3.0 updates the Faraday dependency to 0.9. Since Faraday did not bump a major version we have not either, but there is no guarantee >= 1.3.0 works with Faraday < 0.9
 * Version 1.3.8 had a bug where attachments were created, but the response was not handled properly
 * Version >= 1.0 and < 1.4.2 had a bug where non application/json response bodies were discarded
 * Version 1.5.0 removed support for Ruby 1.8
 * Version 1.6.0 ZendeskAPI::Voice::CertificationAddress is now ZendeskAPI::Voice::Address
+* Version 1.8.0 no longer considers 1XX and 3XX (except 304) response status codes valid and will raise a NetworkError
 
 ## Installation
 
 The Zendesk API client can be installed using Rubygems or Bundler.