-.B adduser \fIUSER PASSWORD\fR
-Create a new user with default rights.
-.TP
-.B authorize \fIUSER\fR
-Chooses a password for \fIUSER\fR and adds it to \fIconfig.private\fR. Also
-creates an appropriate \fIconfig.USER\fR, be owned by the user.
+.B adduser \fIUSER PASSWORD\fR [\fIRIGHTS\fR]
+Create a new user. If \fIRIGHTS\fR is not specified then the
+\fBdefault_rights\fR setting from the server's configuration file applies.
+.TP
+.B authorize \fIUSER\fR [\fIRIGHTS\fR]
+Create \fIUSER\fR with a random password. \fIUSER\fR must be a UNIX login
+user (not just any old string). If \fIRIGHTS\fR is not specified then the
+\fBdefault_rights\fR setting from the server's configuration file applies.