Fixed code formatting

Author: xdumaine

README.md

@@ -158,9 +158,7 @@ constructor. Example:
 
 ```javascript
 var webrtc = new SimpleWebRTC(options);
-
-webrtc.on('connectionReady', function (sessionId) {
-
+    webrtc.on('connectionReady', function (sessionId) {
 })
 ```