diff --git a/1-js/04-object-basics/07-optional-chaining/article.md b/1-js/04-object-basics/07-optional-chaining/article.md
index 7a73e6cc..fd7a0edf 100644
--- a/1-js/04-object-basics/07-optional-chaining/article.md
+++ b/1-js/04-object-basics/07-optional-chaining/article.md
@@ -153,7 +153,7 @@ let userAdmin = {
   admin() {
     alert("I am admin");
   }
-}
+};
 
 let userGuest = {};