Merge pull request #4406 from Wase-Zahin/feature/typo

Author: markerikson

docs/tutorials/quick-start.mdx

@@ -49,7 +49,7 @@ npm install @reduxjs/toolkit react-redux
 
 Create a file named `src/app/store.js`. Import the `configureStore` API from Redux Toolkit. We'll start by creating an empty Redux store, and exporting it:
 
-```ts title="app/store.js"
+```ts title="app/store.ts"
 import { configureStore } from '@reduxjs/toolkit'
 
 export const store = configureStore({
@@ -303,4 +303,4 @@ Here's the complete counter application as a running CodeSandbox:
 
 ## What's Next?
 
-We recommend going through [**the "Redux Essentials" and "Redux Fundamentals" tutorials in the Redux core docs**](https://redux.js.org/tutorials/index), which will give you a complete understanding of how Redux works, what Redux Toolkit does, and how to use it correctly.
+We recommend going through [**the "Redux Essentials" and "Redux Fundamentals" tutorials in the Redux core docs**](https://redux.js.org/tutorials/index), which will give you a complete understanding of how Redux works, what Redux Toolkit does, and how to use it correctly.