diff --git a/2-ui/2-events/03-event-delegation/article.md b/2-ui/2-events/03-event-delegation/article.md
index 1fbb3f3bd6..8c22732fed 100644
--- a/2-ui/2-events/03-event-delegation/article.md
+++ b/2-ui/2-events/03-event-delegation/article.md
@@ -101,7 +101,7 @@ table.onclick = function(event) {
 
 Explanations:
 1. The method `elem.closest(selector)` returns the nearest ancestor that matches the selector. In our case we look for `<td>` on the way up from the source element.
-2. If `event.target` is not inside any `<td>`, then the call returns `null`, and we don't have to do anything.
+2. If `event.target` is not inside any `<td>`, then the call returns `undefined`, and we don't have to do anything.
 3. In case of nested tables, `event.target` may be a `<td>` lying outside of the current table. So we check if that's actually *our table's* `<td>`.
 4. And, if it's so, then highlight it.