Description of problem:
rpc.mountd -h:
1. In help info not include -r|--reverse-llokup; 
[root@dhcp-13-16 ~]# rpc.mountd -h 2>&1 
Usage: rpc.mountd [-F|--foreground] [-h|--help] [-v|--version] [-d kind|--debug kind]
	[-o num|--descriptors num] [-f exports-file|--exports-file=file]
	[-p|--port port] [-V version|--nfs-version version]
	[-N version|--no-nfs-version version] [-n|--no-tcp]
	[-H ha-callout-prog] [-s|--state-directory-path path]
	[-t num|--num-threads=num]
[root@dhcp-13-16 ~]# rpc.mountd -h 2>&1 | grep -- -r
[root@dhcp-13-16 ~]# man rpc.mountd | cat - | grep -- -r
       -r, --reverse-lookup

2. And -H info format error.
 should be [-H|--ha-callout prog]

Version-Release number of selected component (if applicable):
all nfs-utils version in  from RHEL5.9 RHEL5.10 RHEL6.x to RHEL7.0 ~

How reproducible:
y

Steps to Reproduce:
1. see the Description of problem:
2.
3.

Actual results:
rpc.mountd -h: 1. In help info not include -r|--reverse-llokup; 2. And -H info format error.

Expected results:
fix them

Additional info: