Update article.md

1-js/12-generators-iterators/1-generators/article.md

@@ -468,7 +468,7 @@ g.next();        // { value: undefined, done: true }
 
 If we again use `generator.return()` in a completed generator, it will return that value again ([MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Generator/return)).
 
-Often we don't use it, as most of time we want to get all returning values, but it can be useful when we want to stop generator in a condition.
+Often we don't use it, as most of time we want to get all returning values, but it can be useful when we want to stop generator in a specific condition.
 
 ## Summary