Applied Lee's patch which was converged to in -devel
.BI \-k " time"
Kill the job if it does not complete in the indicated
.IR time .
-As for the
-.B \-a
-option, the
+The
.I time
-is specifed using notation compatible with
-.IR at (1).
+is specifed using notation identical to the
+.B \-a
+option.
Note that the
.I time
-is relative to the time of the initial transmission attempt.
+is relative to the time of the initial time-to-send.
The default kill time is ``now + 3 hours'' (three hours from the time
the job is first processed).
To retry for an hour, ``now +1 hour'' could be used.