Gooday! Being a neophite with the Solid…

Gooday!
Being a neophite with the Solidworks system, could one of you whiz kids, help me?
My client needs his dimensions in Feet and inches on the drawing sheets, I’ve tried to get the dim’s to look like 2′ – 4″ which is supposidly the default, but it ends up 2′ 4″. Am I reading it wrong?or am I missing something—– possibly a brain.