Merge pull request #1 from rupeshsaha/patch-1 double the in docs fixed

Update nextjs.mdx

Author: rupeshsaha

docs/usage/nextjs.mdx

@@ -85,7 +85,7 @@ We'll use that approach for this guide.
 
 ## Initial Setup
 
-Similar to the the [RTK TypeScript Tutorial](../tutorials/typescript.md), we need to create a file for the Redux store, as well as the inferred `RootState` and `AppDispatch` types.
+Similar to the [RTK TypeScript Tutorial](../tutorials/typescript.md), we need to create a file for the Redux store, as well as the inferred `RootState` and `AppDispatch` types.
 
 However, Next's multi-page architecture requires some differences from that single-page app setup.