smbfs manuals: describe consistently

MFC after: 3 days

Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/

contrib/smbfs/mount_smbfs/mount_smbfs.8

@@ -1,11 +1,10 @@
 .\" $Id: mount_smbfs.8,v 1.10 2002/04/16 02:47:41 bp Exp $
-.\" $FreeBSD$
 .Dd November 1, 2018
 .Dt MOUNT_SMBFS 8
 .Os
 .Sh NAME
 .Nm mount_smbfs
-.Nd "mount a shared resource from an SMB file server"
+.Nd mount a server message block (SMB1/CIFS) file system
 .Sh SYNOPSIS
 .Nm
 .Op Fl E Ar cs1 Ns Cm \&: Ns Ar cs2

contrib/smbfs/smbutil/smbutil.1

@@ -4,7 +4,7 @@
 .Os
 .Sh NAME
 .Nm smbutil
-.Nd "interface to the SMB requester"
+.Nd interface to the server message block (SMB1/CIFS) requester
 .Sh SYNOPSIS
 .Nm
 .Op Fl hv

share/man/man5/nsmb.conf.5

@@ -1,3 +1,6 @@
+.\"-
+.\" SPDX-License-Identifier: BSD-2-Clause
+.\"
 .\" Copyright (c) 2003
 .\" Originally written by Sergey A. Osokin
 .\" Rewritten by Tom Rhodes
@@ -28,9 +31,7 @@
 .Os
 .Sh NAME
 .Nm nsmb.conf
-.Nd configuration file for
-.Tn SMB
-requests
+.Nd configuration file for server message block (SMB1/CIFS) requests
 .Sh DESCRIPTION
 The
 .Nm