agr(4): minor cleanups

share/man/man4/agr.4

@@ -1,4 +1,4 @@
-.\"	$NetBSD: agr.4,v 1.11 2023/10/11 09:19:27 yamaguchi Exp $
+.\"	$NetBSD: agr.4,v 1.12 2023/10/11 11:00:17 wiz Exp $
 .\"
 .\" Copyright (c)2005, 2007 YAMAMOTO Takashi,
 .\" All rights reserved.
@@ -39,7 +39,7 @@
 .Sh DESCRIPTION
 .Em The driver described in this manual page is obsolete
 .Em and will be removed from a future version of the system.
-.Em
+.Pp
 .Xr lagg 4
 .Em should be used instead.
 .Pp
@@ -111,8 +111,8 @@ Destroy an interface created in the above example.
 .Ed
 .\" ------------------------------------------------------------
 .Sh SEE ALSO
+.Xr lagg 4 ,
 .Xr ifconfig 8
-.Xr lagg 4
 .\" ------------------------------------------------------------
 .Sh STANDARDS
 IEEE 802.3ad Aggregation of Multiple Link Segments
@@ -121,7 +121,8 @@ IEEE 802.3ad Aggregation of Multiple Link Segments
 The
 .Nm
 driver first appeared in
-.Nx 4.0 and obsoleted in
+.Nx 4.0
+and was obsoleted in
 .Nx 10.0 .
 .Pp
 The