[PATCH] Add 'description' option

Can help provide a textual description of a job, if it's submitted
to someone for run/review.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/HOWTO b/HOWTO
index 198d70b..f4ebac9 100644
--- a/HOWTO
+++ b/HOWTO
@@ -193,6 +193,10 @@
 		special purpose of also signaling the start of a new
 		job.
 
+description=str	Text description of the job. Doesn't do anything except
+		dump this text description when this job is run. It's
+		not parsed.
+
 directory=str	Prefix filenames with this directory. Used to places files
 		in a different location than "./".