diff --git a/CHANGELOG.md b/CHANGELOG.md
index 66f2a812cc..6f0d094b50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -75,7 +75,7 @@ class C2 { +p: T = e };
 
 ```js
 // in
-['a' + 'b']: 10 * 20, 'z': [1, 2, 3]}
+{['a' + 'b']: 10 * 20, 'z': [1, 2, 3]}
 // out
 {ab: 200, z: [1, 2, 3]}
 ```