Update article.md

"as `Proxy` trap" -> "as the `Proxy` trap"

Author: paroche

1-js/99-js-misc/01-proxy/article.md

@@ -619,7 +619,7 @@ alert(user.name); // John
 
 In particular, `Reflect` allows us to call operators (`new`, `delete`...) as functions (`Reflect.construct`, `Reflect.deleteProperty`, ...). That's an interesting capability, but here another thing is important.
 
-**For every internal method, trappable by `Proxy`, there's a corresponding method in `Reflect`, with the same name and arguments as `Proxy` trap.**
+**For every internal method, trappable by `Proxy`, there's a corresponding method in `Reflect`, with the same name and arguments as the `Proxy` trap.**
 
 So we can use `Reflect` to forward an operation to the original object.