Things to avoid when creating a wiki page

When you are writing for a wiki page or an article you are required by the official platform to write in a certain way. If you want to make a wikipedia page and want your wiki pages to be approved then you need to avoid certain things like not using promotional content on your wiki pages or avoiding to create wikis that are using a a biased writing tone. When you are writing for a wiki page you also need to create pages according to the guidelines and policies of the platform, avoid not following these guidelines because this can get your wikis rejected. What other things should you avoid?