message: Replace text in new group dialog
diff: @@ -179,7 +179,8 @@ class CreateGroup extends Component {
  {!me.has_seen_new_group_explanation &&
  <Alert mb={6} onClose={setHasSeenNewGroupExplanation}>
  A group is a shared account that many people can use to collaborate on Are.na.
  - You can also create a secret group to separate channels from your personal profile.
  + You can also create a group to transfer and separate
  + channels from your personal profile.
  </Alert>
  }
  