diff --git a/1-js/09-classes/06-instanceof/article.md b/1-js/09-classes/06-instanceof/article.md
index dd3d61ca..63081818 100644
--- a/1-js/09-classes/06-instanceof/article.md
+++ b/1-js/09-classes/06-instanceof/article.md
@@ -2,7 +2,7 @@
 
 The `instanceof` operator allows to check whether an object belongs to a certain class. It also takes inheritance into account.
 
-Such a check may be necessary in many cases. Here we'll use it for building a *polymorphic* function, the one that treats arguments differently depending on their type.
+Such a check may be necessary in many cases. For example, it can be used for building a *polymorphic* function, the one that treats arguments differently depending on their type.
 
 ## The instanceof operator [#ref-instanceof]