11628 typos detected by mandoc style

*** 9,19 ****
  .\" http://www.illumos.org/license/CDDL.
  .\"
  .\"
  .\" Copyright 2015 Joyent, Inc.
  .\"
! .Dd May 11, 2016
  .Dt PISPROCIDR 3PROC
  .Os
  .Sh NAME
  .Nm Pisprocdir
  .Nd determine if a directory is the /proc directory
--- 9,19 ----
  .\" http://www.illumos.org/license/CDDL.
  .\"
  .\"
  .\" Copyright 2015 Joyent, Inc.
  .\"
! .Dd Aug 27, 2019
  .Dt PISPROCIDR 3PROC
  .Os
  .Sh NAME
  .Nm Pisprocdir
  .Nd determine if a directory is the /proc directory
*** 24,34 ****
  .Ft int
  .Fo Pisprocdir
  .Fa "struct ps_prochandle *P"
  .Fa "const char *dir"
  .Fc
! .Sh DESECRIPTION
  The
  .Fn Pisprocdir
  function determines whether or not the directory
  .Fa dir
  is the root of the /proc file-system.
--- 24,34 ----
  .Ft int
  .Fo Pisprocdir
  .Fa "struct ps_prochandle *P"
  .Fa "const char *dir"
  .Fc
! .Sh DESCRIPTION
  The
  .Fn Pisprocdir
  function determines whether or not the directory
  .Fa dir
  is the root of the /proc file-system.