README.md in hara-0.2.1 vs README.md in hara-0.2.2

@@ -1,17 +1,17 @@
 # Hara
 
 [![Gem Version](https://badge.fury.io/rb/hara.png)](http://badge.fury.io/rb/hara)
 [![Build Status](https://travis-ci.org/jjyr/hara.png?branch=master)](https://travis-ci.org/jjyr/hara)
 
-Hara is a simple framework, help you build async & concurrent websocket server.
+Hara is a simple framework, help you build async-io & concurrent websocket server.
 
-Hara's async ability from [em-websocket](https://github.com/igrigorik/em-websocket),
+Hara's async-io ability from [em-websocket](https://github.com/igrigorik/em-websocket),
 
 Hara's concurrent ability from [celluloid](https://github.com/celluloid/celluloid).
 
-Yes, hara is a combination of them, eventmachine and celluloid work well together :)
+Seems eventmachine and celluloid work well together :smile:
 
 ## Installation
 
 Add this line to your application's Gemfile:
 
@@ -55,17 +55,18 @@
 *start server*
 `ruby test.rb`
 
 `ruby test.rb -h` to view options
 
-## Other Usages & How it work
+## Full Usages
 
 ```ruby
 require 'hara/base'
 
 class Echo 
-  #include Hara::App, make you Echo class become Celluloid::Actor and per actor handle a socket
+  #include Hara::App, make you Echo class become Celluloid::Actor,
+  # and per actor handle a socket
   include Hara::App
 
   #Hara::App provide some callbacks
 
   def after_connect
@@ -77,24 +78,42 @@
     puts 'called when action comming'
   end
 
   define_action :echo do |str|
     puts "#{client_ip} #{client_port}"
+    #send message to socket
     socket.send str
   end
 
+  define_action :exit do
+    puts "#{client_ip} exit"
+    # close client connection
+    close
+  end
+
   def after_action action, *args
     puts 'called when action complete'
   end
+
+  def action_missing action, *args
+    socket.send 'error'
+    super
+  end
+
+  def on_close close_info
+    puts "#{client_ip} connection closed"
+  end
 end
 
 #if you require 'hara/base' you need start server you self, like below
 Hara::Server.start 'localhost', '3000'
 ```
 
-## RoadMap
+## Client
 
 js client is processing
+
+current format is JSON.stringify({action: 'echo',args:['hello world']})
 
 ## Contributing
 
 1. Fork it
 2. Feel free to send pull requests