Kone MonoSpace 500 MRL Traction Elevator at WHSmith in Woking

Once we stop at 0, the floor announcement said "3rd floor" instead of "ground floor". The floor announcement is messed up.
Video taken: 29th March 2014
--Elevator--
Brand: Kone
Type: MRL Traction
Capacity: 800kg / 10 Persons
Model: MonoSpace 500 (Powered by Ecodisc)
Fixtures: KSS 470
Installed at 2008
Floor served: 2(-1, *0*)
Elevator bank size: 1
Ministry of Industry, Trade & Labour number: 11012612