How to change permalink of forum and posts
 

In vBulletin 5, how you change the permalink of the forum?
I've renamed the forum from "Getting started" to "General discussions", but the forum URL still states http://sitename.com/forum/getting-started. I want to change this to http://sitename.com/forum/general-discussions.

Also, the second part of the question is, how do you do rename the permalink of topic posts in vBulletin 5?