44c44
< .Op Fl dfnqrvR
---
> .Op Fl dfnqrvRQ
117a118,131
> .It Fl Q
> Somewhat quiet output.
> Don't display ICMP error messages that are in response to our query messages.
> Originally, the
> .Fl v
> flag was required to display such errors, but
> .Fl v
> displays all ICMP error messages. On a busy machine, this output can
> be overbearing. Without the
> .Fl Q
> flag,
> .Nm
> prints out any ICMP error messages caused by its own ECHO_REQUEST
> messages.
318a333,336
> .Pp
> The
> .Fl v
> option is not worth much on busy hosts.