diff --git a/src/guide/reactivity-fundamentals.md b/src/guide/reactivity-fundamentals.md
index 00c808bb5e..1aef76ad43 100644
--- a/src/guide/reactivity-fundamentals.md
+++ b/src/guide/reactivity-fundamentals.md
@@ -73,15 +73,15 @@ When a ref is returned as a property on the render context (the object returned
 </script>
 ```
 
-::tip
+:::tip
   If you don't need to access the actual object instance, you can wrap it in a reactive:
 
   ```js
-  rested: reactive({
+  nested: reactive({
     count
   })
   ```
-::
+:::
 
 ### Access in Reactive Objects