Update part6a.md

I think this line is a bit misleading? Makes it sound like the store Provider only works for the immediate child component (App) and then must be prop drilled, rather than it providing the store to all components anywhere in the component tree it wraps.

src/content/6/en/part6a.md

@@ -967,7 +967,7 @@ export const toggleImportanceOf = (id) => { // highlight-line
 export default noteReducer
 ```
 
-If the application has many components which need the store, the <i>App</i> component must pass <i>store</i> as props to all of those components.
+Previously, if the application had many components which needed the store, the <i>App</i> component had to pass <i>store</i> as props to all of those components (known as prop drilling). Now with the <i>store</i> Provider wrapping the <i>App</i> component, the <i>store</i> is directly accessible to all components within the <i>App</i> component without explicitly being passed as props.
 
 The module now has multiple [export](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/export) commands.