diff --git a/content/tutorial/01-svelte/02-reactivity/04-updating-arrays-and-objects/README.md b/content/tutorial/01-svelte/02-reactivity/04-updating-arrays-and-objects/README.md
index 49e0654ab..cb36e384b 100644
--- a/content/tutorial/01-svelte/02-reactivity/04-updating-arrays-and-objects/README.md
+++ b/content/tutorial/01-svelte/02-reactivity/04-updating-arrays-and-objects/README.md
@@ -38,8 +38,8 @@ A simple rule of thumb: the name of the updated variable must appear on the left
 
 ```js
 /// no-file
-const obj = { foo: { bar: 1 } };
-const foo = obj.foo;
+let obj = { foo: { bar: 1 } };
+let foo = obj.foo;
 foo.bar = 2;
 ```