Put the rest of the -f description in the right place, while adjusting

the wording and starting a new sentence on a new line.

My turn to play wiz and fix the man page he broke.  :)

usr.sbin/arp/arp.8

@@ -1,4 +1,4 @@
-.\"	$NetBSD: arp.8,v 1.17 2004/11/17 14:54:47 wiz Exp $
+.\"	$NetBSD: arp.8,v 1.18 2004/11/25 01:41:51 atatat Exp $
 .\"
 .\" Copyright (c) 1985, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -86,8 +86,16 @@ Causes the file
 .Ar filename
 to be read and multiple entries to be set in the
 .Tn ARP
-tables.  Entries
-in the file should be of the form
+tables.
+Entries in the file should be of the form
+.Pp
+.Bd -filled -offset indent -compact
+.Ar hostname ether_addr
+.Op Ar temp
+.Op Ar pub
+.Ed
+.Pp
+with argument meanings as described below.
 .It Fl n
 Show network addresses as numbers (normally
 .Nm
@@ -112,14 +120,6 @@ server,
 responding to requests for
 .Ar hostname
 even though the host address is not its own.
-.Pp
-.Bd -filled -offset indent -compact
-.Ar hostname ether_addr
-.Op Ar temp
-.Op Ar pub
-.Ed
-.Pp
-with argument meanings as given above.
 .It Fl v
 Display verbose information when adding or deleting
 .Tn ARP