README.md in rails-settings-cached-0.4.2 vs README.md in rails-settings-cached-0.4.3

@@ -16,10 +16,10 @@
 
 Edit your Gemfile:
 
 ```ruby
 # Rails 4.1.x
-gem "rails-settings-cached", "0.4.1"
+gem "rails-settings-cached", "~> 0.4.0"
 # Rails 4+
 gem "rails-settings-cached", "0.3.1"
 # Rails 3.x
 gem "rails-settings-cached", "0.2.4"
 ```