Update description

Was:
![swagger_ui](https://cloud.githubusercontent.com/assets/36139/5536281/da9f012e-8a9f-11e4-8338-93608d6b31a9.jpg)

Become:
![swagger_ui](https://cloud.githubusercontent.com/assets/36139/5536282/eaed81cc-8a9f-11e4-9201-7bc2353b80f5.jpg)