diff --git a/packages/schema/src/config/dev.ts b/packages/schema/src/config/dev.ts
index 6b192b76a7..de2a03ccf7 100644
--- a/packages/schema/src/config/dev.ts
+++ b/packages/schema/src/config/dev.ts
@@ -6,7 +6,7 @@ export default defineUntypedSchema({
     /**
      * Whether to enable HTTPS.
      * @example
-     * ```
+     * ```ts
      * export default defineNuxtConfig({
      *   devServer: {
      *     https: {