From fbd0e58dd1063deb6c36ba8e68f69c76167ba16a Mon Sep 17 00:00:00 2001
From: Moe Jette <jette1@llnl.gov>
Date: Tue, 23 May 2006 23:10:25 +0000
Subject: [PATCH] clarify use of --ctrl-comm-ifhn option.

---
 doc/man/man1/srun.1 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/man/man1/srun.1 b/doc/man/man1/srun.1
index 7a431785ba5..cebde626b3d 100644
--- a/doc/man/man1/srun.1
+++ b/doc/man/man1/srun.1
@@ -245,7 +245,9 @@ many other versions of MPI.
 \fB\-\-ctrl\-comm\-ifhn\fR=\fIaddr\fR
 Specify the address or hostname to be used for PMI communications only
 (task communication and synchronization primitives for MPCIH2).
-Defaults to hostnameme (response from getnodename function).
+Defaults to hostname (response from getnodename function).
+Use of this is required if a DNS lookup can not be performed on 
+the hostname or if that address is blocked from the compute nodes.
 .TP
 \fB\-\-jobid\fR=\fIid\fR
 Initiate a job step under an already allocated job with job id \fIid\fR.
-- 
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