Update vue guide in provide/inject

- The previous version was missing words to make sense.

- Took the chance to make the writing simpler and clearer. 

doc/development/fe_guide/vue.md

@@ -73,9 +73,8 @@ component, is that you avoid the need to create a fixture or an HTML element in
 ##### provide/inject
 
 Vue supports dependency injection through [provide/inject](https://vuejs.org/v2/api/#provide-inject).
-Values passed to the component through `provide` can be accessed in the component the `inject` configuration.
-In the following example of a Vue app initialization, a value from HAML is passed to the component
-through the `provide` configuration:
+In the component the `inject` configuration accesses the values `provide` passes down. 
+This example of a Vue app initialization shows how the `provide` configuration passes a value from HAML to the component:
 
 ```javascript
 #js-vue-app{ data: { endpoint: 'foo' }}