doc: Update message in react-router shorthand adapter

Author: franky47

packages/nuqs/adapters/react-router.d.ts

@@ -3,7 +3,8 @@
 // Other module resolutions strategies will look for the `exports` in `package.json`,
 // but with `node`, TypeScript will look for a .d.ts file with that name at the
 // root of the package.
-// This default react-router adapter is for react-router v6. If you are using
-// react-router v7, please use adapters/react-router/v7
+//
+// Note: this default react-router adapter is for react-router v6.
+// If you are using react-router v7, please import from `nuqs/adapters/react-router/v7`
 
 export * from '../dist/adapters/react-router'

packages/nuqs/src/adapters/react-router.ts

@@ -1,3 +1,6 @@
+// Note: this default react-router adapter is for react-router v6.
+// If you are using react-router v7, please import from `nuqs/adapters/react-router/v7`
+
 import { useNavigate, useSearchParams } from 'react-router-dom'
 import { renderQueryString } from '../url-encoding'
 import type { AdapterOptions } from './defs'