diff --git a/1-js/09-classes/05-extend-natives/article.md b/1-js/09-classes/05-extend-natives/article.md
index f85aa024..ade0a4eb 100644
--- a/1-js/09-classes/05-extend-natives/article.md
+++ b/1-js/09-classes/05-extend-natives/article.md
@@ -34,7 +34,7 @@ Even more, we can customize that behavior.
 
 We can add a special static getter `Symbol.species` to the class. If exists, it should return the constructor that JavaScript will use internally to create new entities in `map`, `filter` and so on.
 
-If we'd like built-in methods like `map`, `filter` will return regular arrays, we can return `Array` in `Symbol.species`, like here:
+If we'd like built-in methods like `map` or `filter` to return regular arrays, we can return `Array` in `Symbol.species`, like here:
 
 ```js run
 class PowerArray extends Array {