.Sh SYNOPSIS
.Nm
.Op Fl DiOt
-.Op Fl A Ar mode
-.Op Fl b Ar mode
+.Op Fl A Ns Ar mode
+.Op Fl b Ns Ar mode
.Op Fl f Ar sender
.Op Fl L Ar tag
-.Op Fl o Ar option
+.Op Fl o Ns Ar option
.Op Fl r Ar sender
-.Op Fl q Ar arg
+.Op Fl q Ns Op Ar arg
.Op Ar recipient ...
.Sh DESCRIPTION
.Nm
.Pp
The options are as follows:
.Bl -tag -width indent
-.It Fl A Ar mode
-.Fl A Ns Ar c
+.It Fl A Ns Ar mode
+.Fl \&Ac
acts as a compatibility option for sendmail.
-.It Fl b Ar mode
+.It Fl b Ns Ar mode
.Bl -tag -width indent
.It Fl bp
List all mails currently stored in the mail queue.
This is a compatibility option for sendmail.
.It Fl O
This is a compatibility option for sendmail.
-.It Fl o Ar option
+.It Fl o Ns Ar option
Specifying
-.Fl o Ns Ar i
+.Fl oi
is synonymous to
.Fl i .
All other options are ignored.
-.It Fl q Ar arg
+.It Fl q Ns Op Ar arg
Process saved messages in the queue.
-The argument is required for compatibility with sendmail, and ignored.
+The argument is optional and ignored.
.It Fl r Ar sender
Same as
.Fl f .
.It Fl t
Obtain recipient addresses from the message header.
-.Nm will parse the
+.Nm
+will parse the
.Li To: ,
.Li Cc: ,
and