minor fixes

Author: iliakan

1-js/04-object-basics/04-object-methods/article.md

@@ -32,11 +32,11 @@ user.sayHi = function() {
 user.sayHi(); // Hello!
 ```
 
-Here we've just used a Function Expression to create the function and assign it to the property `user.sayHi` of the object.
+Here we've just used a Function Expression to create a function and assign it to the property `user.sayHi` of the object.
 
-Then we can call it. The user can now speak!
+Then we can call it as `user.sayHi()`. The user can now speak!
 
-A function that is the property of an object is called its *method*.
+A function that is a property of an object is called its *method*.
 
 So, here we've got a method `sayHi` of the object `user`.