Update README.md

README.md

@@ -1,13 +1,10 @@
-# slate-collaborative
+# slate-collaborative [Demo](https://slate-collaborative.herokuapp.com/)
 slatejs collaborative plugin & microservice
 
 A little experiment for co-editing.
 
 Based on idea of https://github.com/humandx/slate-automerge
 
-Check the [Demo](https://slate-collaborative.herokuapp.com/)
-
-
 # API
 
 ## Client
@@ -46,7 +43,7 @@ const connection = new CollaborativeBackend(options)
 ### options:
 ```
 {
-  entry: number // port or Server for listen io connection
+  entry: number | Server // port or Server for listen io connection
   connectOpts?: SocketIO.ServerOptions
   defaultValue?: ValueJSON // default value
   saveTreshold?: number // theshold of onDocumentSave callback execution