README.md in openbd_api-0.1.0 vs README.md in openbd_api-0.2.0

@@ -1,7 +1,8 @@
 # OpenBD
 
+[![Gem Version](https://badge.fury.io/rb/openbd_api.svg)](https://badge.fury.io/rb/openbd_api)
 [![Build Status](https://travis-ci.org/nasum/openbd.svg?branch=master)](https://travis-ci.org/nasum/openbd)
 
 This gem wraps openBD Web API.
 
 ## Installation
@@ -20,10 +21,12 @@
 
     $ gem install openbd_api
 
 ## Usage
 
+### Library
+
 Like this.
 
 ```rb
 require 'openbd_api'
 
@@ -40,9 +43,20 @@
 # coverage
 OpenBD.coverage
 
 # schema
 OpenBD.schema
+```
+
+### CLI
+
+`openbd` executable calls `OpenBD` `s methods.
+
+```
+$ openbd get 9784309226712
+$ openbd bulk_get 9784309226712 9784309226729
+$ openbd coverage
+$ openbd schema
 ```
 
 ## Contributing
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/nasum/openbd. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.