Every article (page) in this wiki has a corresponding "discussion" page, where one can make notes or carry on a discussion about what should be shown in the article itself.
Even if you do not want to edit the article (or don't have permission to do so), you can add to the "discussion" page and thereby contribute to the development of this wiki.
To edit (or create) the discussion page for an article just visit the article and click on the "Discussion" tab at the top of the page.