README.md in onebox-1.8.92 vs README.md in onebox-1.8.93

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 onebox
 ======
 
-[![Gem Version](https://badge.fury.io/rb/onebox.png)](https://rubygems.org/gems/onebox)
-[![Code Climate](https://codeclimate.com/github/dysania/onebox.png)](https://codeclimate.com/github/dysania/onebox)
-[![Build Status](https://travis-ci.org/discourse/onebox.png)](https://travis-ci.org/discourse/onebox)
+[![Gem Version](https://badge.fury.io/rb/onebox.svg)](https://rubygems.org/gems/onebox)
+[![Code Climate](https://codeclimate.com/github/dysania/onebox.svg)](https://codeclimate.com/github/dysania/onebox)
+[![Build Status](https://travis-ci.org/discourse/onebox.svg)](https://travis-ci.org/discourse/onebox)
 
 Onebox is a library for turning media URLs into simple HTML previews of the resource.
 
 Onebox currently has support for page, image, and video URLs for many popular sites.
 