Rename a page
The page rename function will not only rename a wiki page, but also updates links to it in all other pages.
This way you can rename a page but your links all stay up-to-date.
Desktop version
While in View mode...
Click on Pages -> Rename this page ... (or press Ctrl-R)
Enter a new name for the page in the box and click OK.
Mobile version
While in View mode...
Click on Menu -> Tools -> Rename this page ...
Enter a new name for the page in the box, and press the OK soft-key.