update guides

packages/website/src/content/guides/5-select-menu.md

@@ -49,7 +49,7 @@ const instance = reacord.send(
 
 For a multi-select, use the `multiple` prop, then you can use `values` and `onChangeMultiple` to handle multiple values.
 
-```tsx
+```jsx
 export function FruitSelect({ onConfirm }) {
 	const [values, setValues] = useState([])