minor, add message
@ -2158,7 +2158,7 @@ __get_domain_new_authz() {
break
fi
_authz_i="$(_math "$_authz_i" + 1)"
_info "Sleep $_authz_i to retry."
_info "The server is busy, Sleep $_authz_i to retry."
_sleep "$_authz_i"
done;