[src/trunk]: src/bin/df file system police. Fix typo. Fix macro use.

[wiz <wiz%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/95146d88667c
branches:  trunk
changeset: 459661:95146d88667c
user:      wiz <wiz%NetBSD.org@localhost>
date:      Fri Sep 20 13:43:47 2019 +0000

description:
file system police. Fix typo. Fix macro use.

diffstat:

 bin/df/df.1 |  15 ++++++++-------
 1 files changed, 8 insertions(+), 7 deletions(-)

diffs (45 lines):

diff -r 9a175f60eeec -r 95146d88667c bin/df/df.1
--- a/bin/df/df.1       Fri Sep 20 13:42:24 2019 +0000
+++ b/bin/df/df.1       Fri Sep 20 13:43:47 2019 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: df.1,v 1.52 2019/09/18 23:43:23 christos Exp $
+.\"    $NetBSD: df.1,v 1.53 2019/09/20 13:43:47 wiz Exp $
 .\"
 .\" Copyright (c) 1989, 1990, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -62,7 +62,7 @@
 Note that the printed count of available blocks takes
 .Va minfree
 into account, and thus will be negative when the number of free blocks
-on the filesystem is less than
+on the file system is less than
 .Va minfree .
 .Pp
 The following options are available:
@@ -162,11 +162,11 @@
 .Fl P .
 .It Fl t Ar type
 Is used to indicate the actions should only be taken on
-filesystems of the specified type.
+file systems of the specified type.
 More than one type may be specified in a comma-separated list.
-The list of filesystem types can be prefixed with
+The list of file system types can be prefixed with
 .Dq no
-to specify the filesystem types for which action should
+to specify the file system types for which action should
 .Em not
 be taken.
 If a file system is given on the command line that is not of
@@ -184,8 +184,9 @@
 This is available to users with root privileges, and usually to
 members of group operator.
 If the wedge information cannot be obtained, for one or more
-filesystems, the
-.Fl W option is silently ignoresd for those filesystems.
+file systems, the
+.Fl W
+option is silently ignored for those file systems.
 .El
 .Sh ENVIRONMENT
 .Bl -tag -width BLOCKSIZE