If some information on a Wiki page is out of date, you can mark this page as outdated:
Open the page.
Click( for tables).
You can optionally add a comment and a link to a page with current information.
How to unmark an outdated page
If information on this page has been updated, you can remove the Outdated page label:
Click the Outdated page label.
You can optionally add a comment and click Save.