Merge pull request #2024 from lumosmind/patch-47

One line of code creates a lot of confusing

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`: