diff --git a/site/content/tutorial/02-reactivity/04-updating-arrays-and-objects/text.md b/site/content/tutorial/02-reactivity/04-updating-arrays-and-objects/text.md
index c5978e8d7f..0a78c7ca32 100644
--- a/site/content/tutorial/02-reactivity/04-updating-arrays-and-objects/text.md
+++ b/site/content/tutorial/02-reactivity/04-updating-arrays-and-objects/text.md
@@ -17,7 +17,7 @@ But there's a more *idiomatic* solution:
 
 ```js
 function addNumber() {
-	numbers = [...numbers, numbers.length + 1;]
+	numbers = [...numbers, numbers.length + 1];
 }
 ```