README.rdoc in rest-client-1.6.8.rc1 vs README.rdoc in rest-client-1.6.8

@@ -1,8 +1,7 @@
 = REST Client -- simple DSL for accessing HTTP and REST resources
 
-Build status: {<img src="https://travis-ci.org/rest-client/rest-client.png?branch=1.6-legacy" alt="Build Status" />}[https://travis-ci.org/rest-client/rest-client]
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+Build status: {<img src="https://travis-ci.org/rest-client/rest-client.svg?branch=1.6-legacy" alt="Build Status" />}[https://travis-ci.org/rest-client/rest-client]
 
 A simple HTTP and REST client for Ruby, inspired by the Sinatra's microframework style
 of specifying actions: get, put, post, delete.
 
 * Main page: https://github.com/rest-client/rest-client