diff --git a/nfs/files/nfs.sysconfig b/nfs/files/nfs.sysconfig
index 2fcec19..4081cac 100644
--- a/nfs/files/nfs.sysconfig
+++ b/nfs/files/nfs.sysconfig
@@ -14,7 +14,8 @@ RQUOTAD_PORT=4003
 # Optinal options passed to rquotad
 #RPCRQUOTADOPTS=""
 #
-#
+# Optional arguments passed to in-kernel lockd
+#LOCKDARG=
 # TCP port rpc.lockd should listen on.
 LOCKD_TCPPORT=4001
 # UDP port rpc.lockd should listen on.
@@ -22,10 +23,15 @@ LOCKD_UDPPORT=4001
 #
 #
 # Optional arguments passed to rpc.nfsd. See rpc.nfsd(8)
+# Turn off v2 and v3 protocol support
+#RPCNFSDARGS="-N 2 -N 3"
+# Turn off v4 protocol support
 RPCNFSDARGS="-N 4"
 # Number of nfs server processes to be started.
 # The default is 8. 
 RPCNFSDCOUNT=64
+# Stop the nfsd module from being pre-loaded 
+#NFSD_MODULE="noload"
 #
 #
 # Optional arguments passed to rpc.mountd. See rpc.mountd(8)