Index: head/tools/tools/controlelf/controlelf.1
===================================================================
--- head/tools/tools/controlelf/controlelf.1	(revision 352814)
+++ head/tools/tools/controlelf/controlelf.1	(revision 352815)
@@ -1,92 +1,94 @@
 .\" Copyright 2019 The FreeBSD Foundation.
 .\"
 .\" This software was developed by Bora Ozarslan under sponsorship from
 .\" the FreeBSD Foundation.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
 .\" modification, are permitted provided that the following conditions
 .\" are met:
 .\" 1. Redistributions of source code must retain the above copyright
 .\"    notice, this list of conditions and the following disclaimer.
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
 .\"
 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
 .\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 21, 2019
+.Dd September 27, 2019
 .Dt CONTROLELF 1
 .Os
 .Sh NAME
 .Nm controlelf
-.Nd change an ELF binary's control features
+.Nd change an ELF binary's feature control note
 .Sh SYNOPSIS
 .Nm
 .Op Fl h | Fl -help
 .Op Fl l
 .Op Fl e Ar featurelist
 .Ar
 .Sh DESCRIPTION
 The
 .Nm
-utility modifies an ELF binary to change it's control features.
+utility modifies feature flags in the feature control note in an ELF binary.
 .Pp
 The options are as follows:
 .Bl -tag -width indent
 .It Fl h | Fl -help
 Print a usage message and exit.
 .It Fl l
-Writes the list of all known ELF types to standard output.
+List known ELF feature flags.
 .It Fl e Ar featurelist
 Edit features from the given comma separated list
 .Ar featurelist .
 .Ar featurelist
-starts with one of the three modes:
+starts with one of the three operations:
 .Dq Li +
 to turn on the features,
 .Dq Li -
 to turn off the features,
 .Dq Li =
 to only turn on the given features.
-Followed by a comma separated features.
+A comma separated list of feature names follows the operation.
 .El
 .Pp
 If
-.Fl e ,
-option wasn't specified,
+.Fl e
+is not specified
 .Nm
-will display the current control features for the files named by the arguments
+displays the status of each feature in the ELF note in each
 .Ar .
 .Sh EXIT STATUS
 Exit status is 0 on success, and 1 if the command
 fails if a file does not exist, is too short,
 or fails to find or edit features note.
 .Sh EXAMPLES
 The following is an example of a typical usage
 of the
 .Nm
 command:
 .Bd -literal -offset indent
 controlelf file
 controlelf -e +aslr file
 .Ed
 .Sh HISTORY
-The
 .Nm
-manual page first appeared in
+first appeared in
 .Fx 13.0 .
 .Sh AUTHORS
-This manual page was written by
-.An Bora Ozarslan Mt borako.ozarslan@gmail.com .
+.Nm
+was written by
+.An Bora Ozarslan Mt borako.ozarslan@gmail.com
+under sponsorship from the
+.Fx Foundation.