diff --git a/1-js/02-first-steps/12-nullish-coalescing-operator/article.md b/1-js/02-first-steps/12-nullish-coalescing-operator/article.md
index ec0ffe7889..1e812a3e47 100644
--- a/1-js/02-first-steps/12-nullish-coalescing-operator/article.md
+++ b/1-js/02-first-steps/12-nullish-coalescing-operator/article.md
@@ -29,7 +29,7 @@ For example, here we show `user` if its value isn't `null/undefined`, otherwise
 ```js run
 let user;
 
-alert(user ?? "Anonymous"); // Anonymous (user not defined)
+alert(user ?? "Anonymous"); // Anonymous (user undefined)
 ```
 
 Here's the example with `user` assigned to a name: