Update README.md

Author: Justin Schrader

README.md

@@ -11,7 +11,7 @@
 </p>
 
 <p align="center">
-  <a href="https://www.npmjs.com/package/react-router-breadcrumbs-hoc" target="_blank"><img src="https://img.shields.io/npm/v/npm.svg" /></a>
+  <a href="https://badge.fury.io/js/react-router-breadcrumbs-hoc"><img src="https://badge.fury.io/js/react-router-breadcrumbs-hoc.svg" alt="npm version"></a>
   <a href="https://david-dm.org/icd2k3/react-router-breadcrumbs-hoc?type=dev" target="_blank"><img src="https://david-dm.org/icd2k3/react-router-breadcrumbs-hoc/dev-status.svg" /></a>
   <a href="#" target="_blank"><img src="https://travis-ci.org/icd2k3/react-router-breadcrumbs-hoc.svg?branch=master" /></a>
   <a href="https://coveralls.io/github/icd2k3/react-router-breadcrumbs-hoc?branch=master" target="_blank"><img src="https://coveralls.io/repos/github/icd2k3/react-router-breadcrumbs-hoc/badge.svg?branch=master" /></a>