3 files changed, 24 insertions, 3 deletions

diff --git a/bin/df/df.1 b/bin/df/df.1
index 046247a522cf..823e585785d6 100644
--- a/bin/df/df.1
+++ b/bin/df/df.1
@@ -29,7 +29,7 @@
 .\"     @(#)df.1	8.3 (Berkeley) 5/8/95
 .\" $FreeBSD$
 .\"
-.Dd November 6, 2014
+.Dd December 1, 2015
 .Dt DF 1
 .Os
 .Sh NAME
@@ -62,6 +62,13 @@ option below).
 .Pp
 The following options are available:
 .Bl -tag -width indent
+.It Fl -libxo
+Generate output via
+.Xr libxo 3
+in a selection of different human and machine readable formats.
+See
+.Xr xo_parse_args 3
+for details on command line arguments.
 .It Fl a
 Show all mount points, including those that were mounted with the
 .Dv MNT_IGNORE
diff --git a/bin/ls/ls.1 b/bin/ls/ls.1
index 6bca9aa45abc..16ad49b87c57 100644
--- a/bin/ls/ls.1
+++ b/bin/ls/ls.1
@@ -32,7 +32,7 @@
 .\"     @(#)ls.1	8.7 (Berkeley) 7/29/94
 .\" $FreeBSD$
 .\"
-.Dd September 27, 2015
+.Dd December 1, 2015
 .Dt LS 1
 .Os
 .Sh NAME
@@ -69,6 +69,13 @@ lexicographical order.
 .Pp
 The following options are available:
 .Bl -tag -width indent
+.It Fl -libxo
+Generate output via
+.Xr libxo 3
+in a selection of different human and machine readable formats.
+See
+.Xr xo_parse_args 3
+for details on command line arguments.
 .It Fl A
 Include directory entries whose names begin with a
 dot
diff --git a/bin/ps/ps.1 b/bin/ps/ps.1
index 240fa20bae59..ad506e475728 100644
--- a/bin/ps/ps.1
+++ b/bin/ps/ps.1
@@ -29,7 +29,7 @@
 .\"     @(#)ps.1	8.3 (Berkeley) 4/18/94
 .\" $FreeBSD$
 .\"
-.Dd May 27, 2015
+.Dd December 1, 2015
 .Dt PS 1
 .Os
 .Sh NAME
@@ -103,6 +103,13 @@ and associated command.
 .Pp
 The options are as follows:
 .Bl -tag -width indent
+.It Fl -libxo
+Generate output via
+.Xr libxo 3
+in a selection of different human and machine readable formats.
+See
+.Xr xo_parse_args 3
+for details on command line arguments.
 .It Fl a
 Display information about other users' processes as well as your own.
 If the