diff --git a/docs/1.getting-started/11.testing.md b/docs/1.getting-started/11.testing.md
index 2051ded61..dba218d7d 100644
--- a/docs/1.getting-started/11.testing.md
+++ b/docs/1.getting-started/11.testing.md
@@ -88,6 +88,7 @@ export default defineVitestConfig({
     // environmentOptions: {
     //   nuxt: {
     //     rootDir: fileURLToPath(new URL('./playground', import.meta.url)),
+    //     domEnvironment: 'happy-dom', // 'happy-dom' (default) or 'jsdom'
     //     overrides: {
     //       // other Nuxt config you want to pass
     //     }