How to undo privacy mode in ios 15

See the information in Browse privately in Safari on iPad - Apple Support including the following:

To hide the sites and exit Private Browsing Mode, tap , then switch to a different Tab Group. The tabs reappear the next time you use Private Browsing Mode.

SusanChit wrote:

Just update my iPad and set privacy mode. Now I

need to undo it but can’t find out how!

Set privacy mode to what?