Letsencrypt 404 not found

on the letsencrypt nextcloudpi panel : https://nextcloudpi.local:4443/?app=letsencrypt

the page https://docs.nextcloudpi.com/en/configuration-reference/#letsencrypt return a 404 Not Found.

please how can I reach this page ?

thanks

You can find all the docs on this forum as well, click on categories in the menu and select nextcloudpi documentation among the categories, link below