README.md in tcl-ruby-0.1.0 vs README.md in tcl-ruby-0.1.1

@@ -1,6 +1,6 @@
-[![Code Climate](https://codeclimate.com/github/kiyonori-matsumoto/tcl-ruby/badges/gpa.svg)](https://codeclimate.com/github/kiyonori-matsumoto/tcl-ruby) [![Build Status](https://travis-ci.org/kiyonori-matsumoto/tcl-ruby.svg?branch=master)](https://travis-ci.org/kiyonori-matsumoto/tcl-ruby)
+[![Code Climate](https://codeclimate.com/github/kiyonori-matsumoto/tcl-ruby/badges/gpa.svg)](https://codeclimate.com/github/kiyonori-matsumoto/tcl-ruby) [![Build Status](https://travis-ci.org/kiyonori-matsumoto/tcl-ruby.svg?branch=master)](https://travis-ci.org/kiyonori-matsumoto/tcl-ruby) [![Gem Version](https://badge.fury.io/rb/tcl-ruby.svg)](https://badge.fury.io/rb/tcl-ruby)
 
 # Tcl::Ruby
 
 Tcl interpreter for ruby
 
@@ -21,22 +21,25 @@
     $ gem install tcl-ruby
 
 ## Usage
 
 Instanciate Interpreter
+
 ```ruby
-f = Interpreter.new
+f = Tcl::Ruby::Interpreter.new
 ```
 Parse commands you want to
+
 ```ruby
 f.parse('llength {A B C D}')
-=> 4
+# => 4
 ```
 You can get variables with Interpreter#variables
+
 ```ruby
 f.parse('set A 123')
 f.variables('A')
-=> '123'
+# => '123'
 ```
 
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.