Cosmetic bug in BP Group Calendar v1.4.2

In BP Group Settings Frontend for Group Admins there is a hr (horizontal line) missing after the group-calendar-send-email radio button. All other plugins incl. BP, Invite Anyone etc do provide this line – without there is no line, no "border" between Group Cal settings and "BP Group Subscription E-Mails" settings. Yes, only something cosmetic, but…