case "$ACTION" in
  post)
    if [ "$UPDATE" = "no" ]; then
      echo '--> Define which users will make use of the sync in /etc/psd.conf'
      echo '--> Read the manpage before use or see the wiki page'
      echo '--> https://wiki.archlinux.org/index.php/Profile-sync-daemon'
      echo
      echo '--> ALWAYS backup your profile data before using utils like psd!'
    fi
    ;;
esac