Trick to display custom message on Facebook

Here is a trick to display a custom message on Facebook
You can use this trick to prank your friends
Since the url is dynamic, you can change the message and page/tab title to anything you want

It is actually a loophole in their URL
Since they forgot to put an execution lock in it

And there you have it

You can fool your friends by making it say that their account is locked or deleted or anything you can think of.