Index: head/libexec/atrun/atrun.man
===================================================================
--- head/libexec/atrun/atrun.man	(revision 284708)
+++ head/libexec/atrun/atrun.man	(revision 284709)
@@ -1,82 +1,84 @@
 .\" $FreeBSD$
-.Dd October 30, 2012
+.Dd June 22, 2015
 .Dt ATRUN 8
 .Os
 .Sh NAME
 .Nm atrun
 .Nd run jobs queued for later execution
 .Sh SYNOPSIS
 .Nm atrun
 .Op Fl l Ar load_avg
 .Op Fl d
 .Sh DESCRIPTION
 .Nm Atrun
 runs jobs queued by
 .Xr at 1 .
 .Pp
-Root's
+The system
 .Xr crontab 5
 file
 .Pa /etc/crontab
-has to contain the line
+must contain the line
 .Bd -literal
 */5     *       *       *       *       root    /usr/libexec/atrun
 .Ed
 .Pp
-so that
+so
 .Nm
-gets invoked every five minutes.
+is invoked every five minutes.
 .Pp
 At every invocation,
 .Nm
-will start all the jobs in the lowercase queues whose start
+starts all the jobs in the lowercase queues whose start
 time has elapsed.
 In addition, if the load average over the last minute was less than
-the specified limit then a maximum of one batch job (denoted by the
+the specified limit, then a maximum of one batch job (denoted by the
 uppercase queues) is started.
 .Pp
 Before starting a job,
 .Nm
-will check the status of its owner's account with
+checks the status of its owner's account with
 .Xr pam 3
-and refuse to run the job if the account is unavailable,
+and refuses to run the job if the account is unavailable,
 e.g., locked out or expired.
 .Sh OPTIONS
 .Bl -tag -width indent
 .It Fl l Ar load_avg
 Specify a limiting load factor, over which batch jobs should
 not be run, instead of the default of 1.5 * number of active CPUs.
 .It Fl d
 Debug; print error messages to standard error instead of using
 .Xr syslog 3 .
 .El
 .Sh WARNINGS
 For
 .Nm
-to work, you have to start up a
+to work, a
 .Xr cron 8
-daemon.
+daemon must be running
+.Nm
+periodically.
 .Sh FILES
 .Bl -tag -width /etc/pam.d/atrun -compact
 .It Pa /etc/pam.d/atrun
 .Xr pam.conf 5
 configuration file for
 .Nm
 .It Pa /var/at/jobs
 Directory containing job files
 .It Pa /var/at/spool
 Directory containing output spool files
 .El
 .Sh SEE ALSO
 .Xr at 1 ,
 .Xr crontab 1 ,
 .Xr pam 3 ,
 .Xr syslog 3 ,
 .Xr crontab 5 ,
 .Xr pam.conf 5 ,
 .Xr cron 8
 .Sh BUGS
 The functionality of
 .Nm
 should be merged into
 .Xr cron 8 .