Is it possible to customise or change the URL of your link to one that's more meaningful?
I use this link on YouTube, Facebook and my website and the URL is very long and uninviting - https://adobeformscentral.com/?f=BiWYXkLJUqKVw3q94rZM9w
No, the URL can't be changed. The workaround is to embed the FormsCentral form into a web page hosted on your website/domain (this of course assumes you have such a thing).
This FAQ explains how to properly embed: