README.md in backlogcp-0.2.0 vs README.md in backlogcp-0.3.0

@@ -1,25 +1,24 @@
-# backlogcp
+# backlogcp [![Gem](https://img.shields.io/gem/v/backlogcp.svg)](https://rubygems.org/gems/backlogcp)
 
 Backlog file copy command like `scp`.
 
 ## Installation
 
 Add this line to your application's Gemfile:
 
 ```ruby
-gem 'backlogcp', github: "k1LoW/backlogcp"
+gem 'backlogcp'
 ```
 
 And then execute:
 
     $ bundle
 
 Or install it yourself as:
 
-    $ gem install specific_install
-    $ gem specific_install https://github.com/k1LoW/backlogcp.git
+    $ gem install backlogcp
 
 ## Usage
 
 ### STEP1
 
@@ -34,10 +33,10 @@
 ### STEP2
 
 Use `backlogcp` command like `scp`.
 
 ```sh
-$ export BACKLOG_SPACE_ID=xxxxxxxxx BACKLOG_API_KEY=XXXXXxxxXXXXxxXXXXXxXXXXXXX
+$ export BACKLOG_API_KEY=XXXXXxxxXXXXxxXXXXXxXXXXXXX
 $ backlogcp https://xxxxxxxxx.backlog.jp/file/XXXXX/path/to/file.png ./
 ```
 
 ## Support file type