There is a to-do list which you're invited to consult in case you want to help improve the documentations.

The latest version of the documentations are found here:
https://framagit.org/hubzilla/core/-/tree/master/doc

In order to suggest better wordings for them or add new or remove disused sections or even improve the structure, go ahead and edit the content here:

Collaborative drafts for improved documentations

1. Member Guide
2. Admin Guide
3. Developer Guide

(If you don't have editing rights to this wiki, please request them by contacting contribute@hubzilla.org through Hubzilla)