diff --git a/1-js/08-prototypes/03-native-prototypes/article.md b/1-js/08-prototypes/03-native-prototypes/article.md
index 378936c9..6cf7aebb 100644
--- a/1-js/08-prototypes/03-native-prototypes/article.md
+++ b/1-js/08-prototypes/03-native-prototypes/article.md
@@ -33,7 +33,9 @@ We can check it like this:
 let obj = {};
 
 alert(obj.__proto__ === Object.prototype); // true
-// obj.toString === obj.__proto__.toString == Object.prototype.toString
+
+alert(obj.toString === obj.__proto__.toString); //true
+alert(obj.toString === Object.prototype.toString); //true
 ```
 
 Please note that there is no more `[[Prototype]]` in the chain above `Object.prototype`: