Improving documentation for updatePageTriageQueue maintenance script
Improving documentation for updatePageTriageQueue maintenance script

Class description was wrong (looks like it was copied and pasted from
updateUserMetadata.php). Also clarifying description of script
that is returned by maybeHelp().

Change-Id: Id234ca1ff05c2487a950d8150c9cb03ee0b0f212

wikimedia/mediawiki-extensions-PageTriage,wikimedia/mediawiki-extensions-PageTriage,wikimedia/mediawiki-extensions-PageTriage