Merge pull request #1922 from GabrieleC/master

Fix typo

Author: iliakan

1-js/04-object-basics/07-optional-chaining/article.md

@@ -124,7 +124,7 @@ user2.admin?.();
 
 Here, in both lines we first use the dot `.` to get `admin` property, because the user object must exist, so it's safe read from it.
 
-Then `?.()` checks the left part: if the user exists, then it runs (for `user1`). Otherwise (for `user2`) the evaluation stops without errors.
+Then `?.()` checks the left part: if the admin function exists, then it runs (for `user1`). Otherwise (for `user2`) the evaluation stops without errors.
 
 The `?.[]` syntax also works, if we'd like to use brackets `[]` to access properties instead of dot `.`. Similar to previous cases, it allows to safely read a property from an object that may not exist.