how to write working days beside duration for absence types :working days in absence Request page

how to write working days for absence types of type :working days in absence Request page For example :

if Absence Type is calendar days , while requesting it it will be written as Absence Duration 'duration' +Calendar days but

in case of Absence Type of working days it just only written as 'duration' + days without "working" word ,

How to achieve that .

Thanks in advance.