diff --git a/docs/02-app/01-building-your-application/08-testing/01-vitest.mdx b/docs/02-app/01-building-your-application/08-testing/01-vitest.mdx
index 69f14ec1a33d3..bad760b1a3a9d 100644
--- a/docs/02-app/01-building-your-application/08-testing/01-vitest.mdx
+++ b/docs/02-app/01-building-your-application/08-testing/01-vitest.mdx
@@ -92,7 +92,7 @@ export default function Page() {
 }
 ```
 
-```jsx filename="app/page.js" switcher
+```jsx filename="app/page.jsx" switcher
 import Link from 'next/link'
 
 export default function Page() {