The Wiki is a collaboration from many users and invariably not every page will be complete, some may have problems which need corrected or they could be improved in some way. If you come across a page needing further work most useful thing you could do update page and correct any problems. If you are not able to edit the page and correct the problems, then the next best thing is to place a notice. A notice will inform other contributors that the page needs correcting.
To add a notice is easy, just copy the appropriate notice from those shown below and paste to the Wiki page.
Note: to copy select an image, then press ‘Ctrl’ V. To paste the image on a page use ‘Ctrl’ C or select past from the editor menu.