Corrigendum to “The spherical dual transform is an isometry for spherical Wulff shapes” (Studia Math. 245 (2019), 201–211)

This is a corrigendum to the authors’ paper in which the spherical dual transforms are investigated. The reviewer of the paper in Mathematical Reviews pointed out some gaps and small inaccuracies. The main purpose of this corrigendum is to fill the gaps and rectify the inaccuracies.