README.md in hara-0.2.0 vs README.md in hara-0.2.1

@@ -7,16 +7,12 @@
 
 Hara's async ability from [em-websocket](https://github.com/igrigorik/em-websocket),
 
 Hara's concurrent ability from [celluloid](https://github.com/celluloid/celluloid).
 
-Yes, hara just a combination of them, eventmachine and celluloid work well together :)
+Yes, hara is a combination of them, eventmachine and celluloid work well together :)
 
-## Notice!!
-
-Current API is unstable, you should lock the version.
-
 ## Installation
 
 Add this line to your application's Gemfile:
 
     gem 'hara'
@@ -27,18 +23,20 @@
 
 Or install it yourself as:
 
     $ gem install hara
 
-## Usage
+## BasicUsage
 
 *server*
 ```ruby
 #test.rb
 require 'hara'
 
-class Echo < Hara::App
+class Echo 
+  include Hara::App
+
   define_action :echo do |str|
     socket.send str
   end
 end
 ```
@@ -57,12 +55,46 @@
 *start server*
 `ruby test.rb`
 
 `ruby test.rb -h` to view options
 
-*Other Usage*
+## Other Usages & How it work
 
-checkout tests
+```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
+
+  #Hara::App provide some callbacks
+
+  def after_connect
+    puts 'first called'
+    p headers
+  end
+
+  def before_action action, *args
+    puts 'called when action comming'
+  end
+
+  define_action :echo do |str|
+    puts "#{client_ip} #{client_port}"
+    socket.send str
+  end
+
+  def after_action action, *args
+    puts 'called when action complete'
+  end
+end
+
+#if you require 'hara/base' you need start server you self, like below
+Hara::Server.start 'localhost', '3000'
+```
+
+## RoadMap
+
+js client is processing
 
 ## Contributing
 
 1. Fork it
 2. Feel free to send pull requests