fixes

Author: iliakan

1-js/09-classes/02-class-inheritance/article.md

@@ -64,7 +64,7 @@ Internally, `extends` keyword works using the good old prototype mechanics. It s
 For instance, to find a method for `rabbit.hide()`, the engine checks:
 1. The `rabbit` object (no `hide`).
 2. Its prototype, that is `Rabbit.prototype` (also no `hide`).
-3. Its prototype, that is (due to `extends`) `Animal.prototype`, that has the method.
+3. Its prototype, that is (due to `extends`) `Animal.prototype`, that finally has the method.
 
 As we can recall from the chapter <info:native-prototypes>, JavaScript uses prototypal inheritance for build-in objects. E.g. `Date.prototype.[[Prototype]]` is `Object.prototype`, so dates have generic object methods.