Channel - change RSS feed URL

!Hubzilla Support Forum
OK, I will admit to the ability to be BLIND to something directly in front of me...

I set up a channel which sources content through an RSS feed.  How do I update that URL if it changes?

I do see where I can delete the existing one and created an updated one, but I assume I'll lose old entries (and associated comments, etc) so don't want to do that.
Sorry, found it.  Now to learn what it actually does...

Now to learn what it actually does...

It stops trying to send and receive anything from a connection, but it doesn't remove their posts.
So I discovered!  

Learning what a system does, and to trust it, takes a little while. This curve is steep... I appreciate your help... everyone's help.