diff --git a/source/guide/list.md b/source/guide/list.md
index aab495a3e8..b93f66c7b3 100644
--- a/source/guide/list.md
+++ b/source/guide/list.md
@@ -177,8 +177,8 @@ For example, if your data looks like this:
 ``` js
 {
   items: [
-    { _uid: 88f869d, ... },
-    { _uid: 7496c10, ... }
+    { _uid: '88f869d', ... },
+    { _uid: '7496c10', ... }
   ]
 }
 ```