mdoc(7) police: modifiers should be marked with .Cm, not .Ar.

usr.sbin/arp/arp.8

@@ -47,18 +47,18 @@
 .Fl a
 .Nm
 .Fl d Ar hostname
-.Op Ar proxy
+.Op Cm proxy
 .Nm
 .Fl d
 .Fl a
 .Nm
 .Fl s Ar hostname ether_addr
-.Op Ar temp
-.Op Ar pub
+.Op Cm temp
+.Op Cm pub
 .Nm
 .Fl S Ar hostname ether_addr
-.Op Ar temp
-.Op Ar pub
+.Op Cm temp
+.Op Cm pub
 .Nm
 .Fl f Ar filename
 .Sh DESCRIPTION
@@ -75,7 +75,7 @@ The host may be specified by name or by number,
 using Internet dot notation.
 .Pp
 Available options:
-.Bl -tag -width Ds
+.Bl -tag -width indent
 .It Fl a
 The program displays or deletes all of the current
 .Tn ARP
@@ -87,7 +87,7 @@ with the
 .Fl d
 flag.
 The
-.Dq Li proxy
+.Cm proxy
 keyword is sometimes required when deleting published ARP entries.
 This flag may be combined with the
 .Fl a
@@ -105,10 +105,10 @@ with the Ethernet address
 .Ar ether_addr .
 The Ethernet address is given as six hex bytes separated by colons.
 The entry will be permanent unless the word
-.Ar temp
+.Cm temp
 is given in the command. 
 If the word
-.Ar pub
+.Cm pub
 is given, the entry will be "published"; i.e., this system will
 act as an
 .Tn ARP
@@ -116,14 +116,19 @@ server,
 responding to requests for 
 .Ar hostname
 even though the host address is not its own.
-In this case the ether_addr can be given as ``auto''
+In this case the
+.Ar ether_addr
+can be given as
+.Cm auto
 in which case the interfaces on this host will be examined,
 and if one of them is found to occupy the same subnet, its
-ether_addr will be used.
+Ethernet address will be used.
 .It Fl S Ar hostname ether_addr
 Is just like
 .Fl s
-except any existing arp entry for this host will be deleted first.
+except any existing
+.Tn ARP
+entry for this host will be deleted first.
 .It Fl f
 Causes the file
 .Ar filename
@@ -134,8 +139,8 @@ in the file should be of the form
 .Pp
 .Bd -filled -offset indent -compact
 .Ar hostname ether_addr
-.Op Ar temp
-.Op Ar pub
+.Op Cm temp
+.Op Cm pub
 .Ed
 .Pp
 with argument meanings as given above.