README.md in interactor-rails-1.0.1 vs README.md in interactor-rails-2.0.0

@@ -12,10 +12,10 @@
 ## Installation
 
 Add this line to your application's Gemfile:
 
 ```ruby
-gem "interactor-rails", "~> 1.0"
+gem "interactor-rails", "~> 2.0"
 ```
 
 Interactor Rails is compatible with Ruby 1.9 or 2.0 on Rails 3 or 4.
 
 ## Usage