In this Practice Pointer by Sarah McErlean and colleagues (BMJ 2023;382:e073280; doi:10.1136/bmj-2022-073280), published on 10 July 2023, we have changed the first image of figure 1 (of tendon xanthoma) to show xanthoma of the Achilles tendons, as these are more representative of familial hypercholesterolaemia than the original image picture (of affected elbows).