webapps.wiki: fix wording of rollback message to be more accurate
webapps.wiki: fix wording of rollback message to be more accurate

erg/factor,mcandre/factor,erg/factor,mcandre/factor,mcandre/factor,kingcons/factor,erg/factor,kingcons/factor,erg/factor,kingcons/factor,erg/factor,mcandre/factor,erg/factor,erg/factor,mcandre/factor,kingcons/factor,mcandre/factor,mcandre/factor