MLS is shown as 3 Bed room - Rental Ad question

[Kevin Kim]

Hi 

I am closing the half duplex (County record is shown as "2 bed room", but MLS shows 3 Bed room when i purchase (my realtor confirmed MLS/Zillow)

There are 2 Bed room on the upper level. And the seller is saying the 3rd studio style bed room is on lower level. (near to the garage entrance). The lower level room is like studio style open space. MLS shows 3 bed room (my realtor confirmed) but the county record says it is 2bed room.

When i start advertising zillow after closing, is there any issue if i say it is 3 bed room?

I will mention the 3d bed room is studio style in lower level.

Thanks