README.md in sinatra-websocketio-0.0.1 vs README.md in sinatra-websocketio-0.0.2

@@ -28,9 +28,10 @@
 Server Side
 
 ```ruby
 require 'sinatra'
 require 'sinatra/websocketio'
+set :websocketio, :port => 8080
 
 run Sinatra::Application
 ```
 ```ruby
 WebSocketIO.push :temperature, 35  # to all clients