12745 man page typos

*** 16,26 ****
  .\" 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]
  .\"
! .Dd January 6, 2020
  .Dt PROC 4
  .Os
  .Sh NAME
  .Nm proc
  .Nd /proc, the process file system
--- 16,26 ----
  .\" 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]
  .\"
! .Dd May 17, 2020
  .Dt PROC 4
  .Os
  .Sh NAME
  .Nm proc
  .Nd /proc, the process file system
*** 481,491 ****
  is the total number of active lwps in the process.
  .Sy pr_nzomb
  is the total number of zombie lwps in the process.
  A zombie lwp is a non-detached lwp that has terminated but has not been reaped
  with
! .Xr thr_join 3
  or
  .Xr pthread_join 3C .
  .Pp
  .Sy pr_pid ,
  .Sy pr_ppi ,
--- 481,491 ----
  is the total number of active lwps in the process.
  .Sy pr_nzomb
  is the total number of zombie lwps in the process.
  A zombie lwp is a non-detached lwp that has terminated but has not been reaped
  with
! .Xr thr_join 3C
  or
  .Xr pthread_join 3C .
  .Pp
  .Sy pr_pid ,
  .Sy pr_ppi ,