The VideoLAN Forums

Now if you click on URL, the code will be inserted: It would be correct like this: Add =

Behaviour is not quite the same.

Result of first syntax, URL and display are the same:
https://www.videolan.org

Result of second syntax, URL and display can be different:
VideoLAN

So the URL button is doing what it's expected to do because it can't guess what you want to display.