README.md in impas-client-0.0.2 vs README.md in impas-client-0.0.3

@@ -1,23 +1,9 @@
 # Impas::Client
 
-TODO: Write a gem description
+Impas::Client is a Ruby interface for Impas API.
 
-## Synopsys
-
-```ruby
-require 'impas-client'
-client = Impas::Client.new({
-  api_url:"http://local.impas-hideack.sqale.jp/",
-  op_key:"4109b1be1e6a08b9f0b7ef2fa84c3e20"
-})
-
-client.add_group "foobar"  # 集計グループ追加
-client.groups              # 登録中のグループ一覧取得
-
-```
-
 ## Installation
 
 Add this line to your application's Gemfile:
 
     gem 'impas-client'
@@ -30,10 +16,26 @@
 
     $ gem install impas-client
 
 ## Usage
 
-TODO: Write usage instructions here
+```ruby
+require 'impas-client'
+
+client = Impas::Client.new({
+  api_url:"http://impas.****.jp/",
+  op_key:"*****"
+})
+
+client.add_group "sample_group1"  # 集計グループ追加
+client.groups                     # 登録中のグループ一覧取得
+
+client.add_url(                   # URLを集計対象へ追加
+  "051fc80bff3afd1db52bfc3dae8f6329",
+  "http://www.youtube.com/watch?v=2HQkugdXyHY"
+)
+
+```
 
 ## Contributing
 
 1. Fork it
 2. Create your feature branch (`git checkout -b my-new-feature`)