Help pages located on ShoutWiki Hub are transcluded to other ShoutWiki-hosted wikis. As such, the help pages can only be edited by ShoutWiki staff and users in the help page editor group. However, absolutely everyone can suggest improvements on the appropriate talk page.
Local help pages
If you need to create local help pages for your wiki, it is still very much possible. The local help content is displayed after the shared content. If you decide that your wiki needs a specific help page about something and you do not want to display the shared help page on it, then you could hide the shared content by adding the magic word
- Help:Contents — a list of all help pages