Errors in the paper by Kanaki, Jackson, Hall-Wilton, Piscitelli, Kirstein & Andersen [J. Appl. Cryst. (2013), 46, 1031-1037] are corrected.[This corrects the article DOI: 10.1107/S0021889813011862.].
Keywords: European Spallation Source (ESS); boron carbide; boron-10; detectors; geometry; helium-3; neutrons; optimization based on material properties; small-angle neutron scattering (SANS).