more exhaustive test suite

examples/TextEditing/README.md

@@ -15,6 +15,14 @@ Open [index.html](./index.html) in order to start collaboration.
 var yatta;
 
 function init(){
+```
+
+
+First create the connector - the underlaying communication protocol.
+Here, we use the PeerJs connector. Its first parameter is the API key that you need to specify (see [website](http://peerjs.com/))
+
+
+```js
     Y.createPeerJsConnector({key: 'h7nlefbgavh1tt9'}, function(Connector, user_id){
 ```