Jaguar XF 2.7 2008

My MOT certificate states that there is a play in the rear upper bushes (prefix I know nothing about cars) i took it to a local mechanic who stated i require a whole right side wish bone, but i’m not sure as it only states an issue with the bushes, is this a simple fix or does it require a whole wishbone? (bear in mind it passed with the ‘play’ being an observation). Appreciate any assistance.