Fix small spelling mistake

Author: seancwall

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

@@ -316,7 +316,7 @@ The result of a property access `user.hi` is not a function, but a value of Refe
 
 When parentheses `()` are called on the Reference Type, they receive the full information about the object and it's method, and can set the right `this` (`=user` in this case).
 
-Any other operation like assignment `hi = user.hi` discards the reference type as a whole, takes the value of `user.hi` (a function) and passes it on. So any further operation "looses" `this`.
+Any other operation like assignment `hi = user.hi` discards the reference type as a whole, takes the value of `user.hi` (a function) and passes it on. So any further operation "loses" `this`.
 
 So, as the result, the value of `this` is only passed the right way if the function is called directly using a dot `obj.method()` or square brackets `obj[method]()` syntax (they do the same here).