11628 typos detected by mandoc style

*** 9,19 ****
  .\" http://www.illumos.org/license/CDDL.
  .\"
  .\"
  .\" Copyright 2016 Joyent, Inc.
  .\"
! .Dd "Jan 13, 2015"
  .Dt THRD_JOIN 3C
  .Os
  .Sh NAME
  .Nm thrd_join
  .Nd wait for thread termination
--- 9,19 ----
  .\" http://www.illumos.org/license/CDDL.
  .\"
  .\"
  .\" Copyright 2016 Joyent, Inc.
  .\"
! .Dd "Aug 27, 2019"
  .Dt THRD_JOIN 3C
  .Os
  .Sh NAME
  .Nm thrd_join
  .Nd wait for thread termination
*** 25,35 ****
  .Fa "int *res"
  .Fc
  .Sh DESCRIPTION
  The
  .Fn thrd_join
! function suspends the exection of the current thread and waits for the
  thread indicated by
  .Fa thrd
  to terminate and stores the exit status, as set by a call to
  .Xr thrd_exit 3C ,
  for that thread in
--- 25,35 ----
  .Fa "int *res"
  .Fc
  .Sh DESCRIPTION
  The
  .Fn thrd_join
! function suspends the execution of the current thread and waits for the
  thread indicated by
  .Fa thrd
  to terminate and stores the exit status, as set by a call to
  .Xr thrd_exit 3C ,
  for that thread in
*** 57,67 ****
  For additional information on the thread joining interfaces supported by
  the system, see
  .Xr pthread_join 3C
  and
  .Xr thr_join 3C .
! .Sh RETURN_VALUES
  Upon successful completion, the
  .Fn thrd_join
  function returns
  .Sy thrd_success
  and if
--- 57,67 ----
  For additional information on the thread joining interfaces supported by
  the system, see
  .Xr pthread_join 3C
  and
  .Xr thr_join 3C .
! .Sh RETURN VALUES
  Upon successful completion, the
  .Fn thrd_join
  function returns
  .Sy thrd_success
  and if