[PATCH 3/3] Document new -N option

[Simo Sorce <simo@redhat.com>]

Options are not in alphabetical order but I put the new one after the -M,
let's see this slow bubble sort algorithm to go on in the next decade :)

Signed-off-by: Simo Sorce <simo@redhat.com>
---
 utils/gssd/gssd.man |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/utils/gssd/gssd.man b/utils/gssd/gssd.man
index 79d9bf91ac6b976c57d167e60d07f828a3ff5b1f..d1851eb0c39d8fda3da6020b35566d391fe2daba 100644
--- a/utils/gssd/gssd.man
+++ b/utils/gssd/gssd.man
@@ -8,7 +8,7 @@
 rpc.gssd \- RPCSEC_GSS daemon
 .SH SYNOPSIS
 .B rpc.gssd
-.RB [ \-fMnlvr ]
+.RB [ \-fMnlvrN ]
 .RB [ \-k
 .IR keytab ]
 .RB [ \-p
@@ -245,6 +245,15 @@ is set,
 .B rpc.gssd
 stores machine credentials in memory instead.
 .TP
+.B -N [on|off]
+When -N is set to
+.BR on
+the program tries to avoid DNS Reverse (PTR) lookups for resolving the server 
+name if the name passed at mount point is not an IP address. 
+Currently defaults to
+.BR off
+for compatibility reasons.
+.TP
 .B -v
 Increases the verbosity of the output (can be specified multiple times).
 .TP
-- 
1.7.1