Update README.md

Author: Josema

README.md

@@ -5,7 +5,7 @@
     <a href="https://www.npmjs.com/package/dop"><img alt="npm version" src="https://img.shields.io/npm/v/dop.svg"></a>
     <a href="https://travis-ci.org/DistributedObjectProtocol/dop"><img alt="Build Status" src="https://api.travis-ci.org/DistributedObjectProtocol/dop.svg?branch=master"></a>
     <a href="https://www.npmjs.com/package/dop"><img alt="license" src="https://img.shields.io/npm/l/dop.svg"></a>
-    <a href="https://spectrum.chat/hyper"><img alt="Join the community" src="https://withspectrum.github.io/badge/badge.svg"></a>
+    <a href="https://spectrum.chat/dop"><img alt="Join the community" src="https://withspectrum.github.io/badge/badge.svg"></a>
 </p>
 
 ## Distributed Object Protocol is for