diff --git a/src/content/learn/rendering-lists.md b/src/content/learn/rendering-lists.md
index 13ac932fbb5..e0133d59245 100644
--- a/src/content/learn/rendering-lists.md
+++ b/src/content/learn/rendering-lists.md
@@ -113,9 +113,11 @@ const people = [{
   name: 'Mohammad Abdus Salam',
   profession: 'physicist',
 }, {
+  id: 3,
   name: 'Percy Lavon Julian',
   profession: 'chemist',  
 }, {
+  id: 4,
   name: 'Subrahmanyan Chandrasekhar',
   profession: 'astrophysicist',
 }];