BUG: fixed spelling for labels
BUG: fixed spelling for labels

silverstripe-labs/silverstripe-newsletter,silverstripe-archive/silverstripe-newsletter,guru-digital/silverstripe-newsletter,guru-digital/silverstripe-newsletter,silverstripe-labs/silverstripe-newsletter,guru-digital/silverstripe-newsletter,silverstripe-archive/silverstripe-newsletter,silverstripe-labs/silverstripe-newsletter