&$confstr: reference to a hash key string which can be modified
$user: User (object) requesting the page
-'PageViewUpdate': Allow database (or other) changes to be made after a
+'PageViewUpdates': Allow database (or other) changes to be made after a
page view is seen by MediaWiki. Note this does not capture views made
via external caches such as Squid.
$wikipage: WikiPage (object) for the page being viewed.