- $this->out->submit('submit', _('Unblock'), 'submit', null, _('Unblock this user'));
+ $this->out->submit('submit',
+ // TRANS: Button text for unblocking a user from a group.
+ _m('BUTTON','Unblock'),
+ 'submit',
+ null,
+ // TRANS: Tooltip for button for unblocking a user from a group.
+ _('Unblock this user'));