diff --git a/apps/svelte.dev/content/docs/kit/20-core-concepts/10-routing.md b/apps/svelte.dev/content/docs/kit/20-core-concepts/10-routing.md
index 362dc5850..52b3ade0d 100644
--- a/apps/svelte.dev/content/docs/kit/20-core-concepts/10-routing.md
+++ b/apps/svelte.dev/content/docs/kit/20-core-concepts/10-routing.md
@@ -320,9 +320,9 @@ By exporting `POST`/`PUT`/`PATCH`/`DELETE`/`OPTIONS`/`HEAD` handlers, `+server.j
 ```svelte
 <!--- file: src/routes/add/+page.svelte --->
 <script>
-	let a = 0;
-	let b = 0;
-	let total = 0;
+	let a = $state(0);
+	let b = $state(0);
+	let total = $state(0);
 
 	async function add() {
 		const response = await fetch('/api/add', {