README.md in gooddata-0.6.3 vs README.md in gooddata-0.6.4

@@ -7,9 +7,10 @@
 
  * http://sdk.gooddata.com/gooddata-ruby/
  * http://docs.gooddata.apiary.io/
  * http://developer.gooddata.com/api
  * https://secure.gooddata.com/gdc
+ * http://rubydoc.info/gems/gooddata/frames
 
 ## Status
 
 [![Gem Version](https://badge.fury.io/rb/gooddata.png)](http://badge.fury.io/rb/gooddata)
 [![Dependency Status](https://gemnasium.com/gooddata/gooddata-ruby.png)](https://gemnasium.com/gooddata/gooddata-ruby)