fixed coverallsbranch

README.md

@@ -4,7 +4,7 @@ Is the basic template to define microservices in json and yaml format.
 
 [![GoDoc](https://godoc.org/github.com/duckbunny/service?status.svg)](https://godoc.org/github.com/duckbunny/service)
 [![Build Status](https://travis-ci.org/duckbunny/service.svg?branch=master)](https://travis-ci.org/duckbunny/service)
-[![Coverage Status](https://coveralls.io/repos/github/duckbunny/service/badge.svg?branch=githubtesting)](https://coveralls.io/github/duckbunny/service?branch=githubtesting)
+[![Coverage Status](https://coveralls.io/repos/github/duckbunny/service/badge.svg?branch=master)](https://coveralls.io/github/duckbunny/service?branch=master)
 # service
 --
     import "github.com/duckbunny/service"