Fix comment for Volt::User.login_field
Fix comment for Volt::User.login_field

Fix comment to reflect method behavior

bglusman/volt,matthew342/volt,RickCarlino/volt,voltrb/volt,matthew342/volt,ahnbizcad/volt,gabrielrios/volt,ASnow/volt,sinventor/volt,mzdunek93/volt,orbitalimpact/crystal-meth,bglusman/volt,Gaelan/volt,askl56/volt,ASnow/volt,bbatsov/volt,merongivian/volt,merongivian/volt,jfahrer/volt,ahnbizcad/volt,ASnow/volt,sinventor/volt,nightweb/volt,ahnbizcad/volt,jfahrer/volt,bglusman/volt,dummey/volt,alexandred/volt,orbitalimpact/crystal-meth,sinventor/volt,dennym/volt,mzdunek93/volt,dummey/volt,dummey/volt,orbitalimpact/crystal-meth,askl56/volt,alexandred/volt,mzdunek93/volt,thyagobr/volt,Gaelan/volt,dennym/volt,bbatsov/volt,Gaelan/volt,CollaboTree/volt,gabrielrios/volt,thyagobr/volt,gabrielrios/volt,RickCarlino/volt,nightweb/volt,CollaboTree/volt,nightweb/volt,jfahrer/volt,merongivian/volt,CollaboTree/volt,matthew342/volt,bbatsov/volt,voltrb/volt,askl56/volt,RickCarlino/volt,voltrb/volt,thyagobr/volt,alexandred/volt