Merge pull request #1993 from shubham-maurya/patch-1

Update article.md

Author: iliakan

1-js/04-object-basics/08-symbol/article.md

@@ -133,7 +133,7 @@ let id = Symbol("id");
 let user = {
   name: "John",
 *!*
-  [id]: 123 // not "id: 123"
+  [id]: 123 // not "id": 123
 */!*
 };
 ```