README in sparql-client-1.1.6 vs README in sparql-client-1.1.6.1

- old
+ new

@@ -4,9 +4,10 @@
 
 * <http://ruby-rdf.github.com/sparql-client/>
 
 [![Gem Version](https://badge.fury.io/rb/sparql-client.png)](http://badge.fury.io/rb/sparql-client)
 [![Build Status](https://travis-ci.org/ruby-rdf/sparql-client.png?branch=master)](http://travis-ci.org/ruby-rdf/sparql-client)
+[![Coverage Status](https://coveralls.io/repos/ruby-rdf/sparql-client/badge.svg?branch=master&service=github)](https://coveralls.io/github/ruby-rdf/sparql-client?branch=master)
 
 ##Features
 
 * Executes queries against any SPARQL 1.0/1.1-compatible endpoint over HTTP,
   or against an `RDF::Queryable` instance, using the `SPARQL` gem.