Ogasawara M, Murayama G, Yamada Y, Nemoto T, Kageyama M, Toyama S, et al. Autofeedback from ultrasound images provides rapid improvement in palpation skills for identifying joint swelling in rheumatoid arthritis. J Rheumatol 2012;39:1207–14. The legend of Figure 1 should read: “Figure 1. The process of the study. *Swelling confirmed by multiple assessors.” We regret the error.