Sending unclear

[pepa65]

If I do signal-cli send -h it gives a usage message where -u must be followed by USERNAME and -a by ATTACHMENT. But if I try signal-cli send -u USERNAME -m MESSAGE RECIPIENT it comes back with Multiple users found, you need to specify an account (phone number) with -a. But if I do that, it still comes back with the same message.

It seems the help-message, or the error-message is broken, and in any case, I can't seem to figure out how to send a message...

EDIT: using signal-cli -a PHONENR send -u USERNAME.NUM -m MESSAGE works!! It seems the help and error messages need a complete overhaul...