Readme.md in vue-rails-2.2.1 vs Readme.md in vue-rails-2.2.4

@@ -9,11 +9,11 @@
 
 Rails 3.1+ asset-pipeline gem to provide Vue.js
 
 ### Package Versions
 
-- vue v2.2.1
+- vue v2.2.4
 - vue-router v2.2.1
 - vue-resource v1.2.1
 - vuex v2.2.1
 
 ### Setup
@@ -33,9 +33,10 @@
 
 ```js
 //= require vue
 //= require vue-router (optional)
 //= require vue-resource (optional)
+//= require vuex (optional)
 ```
 
 If your `application.js` requires TurboLinks (a default setting for new Rails apps), you should strongly consider disabling it, as it will cause pages to load without reloading the Javascript.
 
 In `app/views/layouts/application.html.erb`, move this line from the head of the document to the end of the body: