Code review comments from jeffpc

*** 4,14 ****
  .\" Copyright (c) 2013, Joyent, Inc. All rights reserved.
  .\" Copyright 1989 AT&T
  .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
  .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
  .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
! .TH CORE 4 "Jul 23, 2015"
  .SH NAME
  core \- process core file
  .SH DESCRIPTION
  .LP
  The operating system writes out a core file for a process when the process is
--- 4,14 ----
  .\" Copyright (c) 2013, Joyent, Inc. All rights reserved.
  .\" Copyright 1989 AT&T
  .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License.
  .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.  See the License for the specific language governing permissions and limitations under the License.
  .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
! .TH CORE 4 "Jun 6, 2016"
  .SH NAME
  core \- process core file
  .SH DESCRIPTION
  .LP
  The operating system writes out a core file for a process when the process is