sesutil.8: Concise document description, tag SPDX

While here, fix two trivial typos.

MFC after:	3 days

usr.sbin/sesutil/sesutil.8

@@ -1,3 +1,6 @@
+.\"
+.\" SPDX-License-Identifier: BSD-2-Clause
+.\"
 .\" Copyright (c) 2015 Baptiste Daroussin <[email protected]>
 .\" All rights reserved.
 .\"
@@ -22,12 +25,12 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd July 16, 2025
+.Dd September 23, 2026
 .Dt SESUTIL 8
 .Os
 .Sh NAME
 .Nm sesutil
-.Nd Utility for managing SCSI Enclosure Services (SES) device
+.Nd manage SCSI Enclosure Services devices
 .Sh SYNOPSIS
 .Nm
 .Cm fault
@@ -129,7 +132,7 @@ Generate output via
 .Xr libxo 3
 in a selection of different human and machine readable formats.
 See
-.Xr xo_options 7
+.Xr xo_options 7 .
 .El
 .Sh EXAMPLES
 Turn off all locate LEDs:
@@ -146,8 +149,8 @@ Turn on the fault LED for a drive bay not associated with a device:
 .Dl Nm Cm fault -u /dev/ses2 7 on
 .Sh SEE ALSO
 .Xr libxo 3 ,
-.Xr xo_options 7 ,
-.Xr ses 4
+.Xr ses 4 ,
+.Xr xo_options 7
 .Sh HISTORY
 The
 .Nm