Bug 1723455

Description of problem:
volume set <VOLNAME> group <GROUP> description missing space leading to words being merged. This can be seen easily in # gluster v help output.

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# gluster v help

gluster volume commands
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volume add-brick <VOLNAME> [<stripe|replica> <COUNT> [arbiter <COUNT>]] <NEW-BRICK> ... [force] - add brick to volume <VOLNAME>
volume barrier <VOLNAME> {enable|disable} - Barrier/unbarrier file operations on a volume
volume clear-locks <VOLNAME> <path> kind {blocked|granted|all}{inode [range]|entry [basename]|posix [range]} - Clear locks held on path
volume create <NEW-VOLNAME> [stripe <COUNT>] [replica <COUNT> [arbiter <COUNT>]] [disperse [<COUNT>]] [disperse-data <COUNT>] [redundancy <COUNT>] [transport <tcp|rdma|tcp,rdma>] <NEW-BRICK>... [force] - create a new volume of specified type with mentioned bricks
volume delete <VOLNAME> - delete volume specified by <VOLNAME>
volume geo-replication [<MASTER-VOLNAME>] [<SLAVE-IP>]::[<SLAVE-VOLNAME>] {\
 create [[ssh-port n] [[no-verify] \
 | [push-pem]]] [force] \
 | start [force] \
 | stop [force] \
 | pause [force] \
 | resume [force] \
 | config [[[\!]<option>] [<value>]] \
 | status [detail] \
 | delete [reset-sync-time]}  - Geo-sync operations
volume get <VOLNAME|all> <key|all> - Get the value of the all options or given option for volume <VOLNAME> or all option. gluster volume get all all is to get all global options
volume heal <VOLNAME> [enable | disable | full |statistics [heal-count [replica <HOSTNAME:BRICKNAME>]] |info [summary | split-brain] |split-brain {bigger-file <FILE> | latest-mtime <FILE> |source-brick <HOSTNAME:BRICKNAME> [<FILE>]} |granular-entry-heal {enable | disable}] - self-heal commands on volume specified by <VOLNAME>
volume help - display help for volume commands
volume info [all|<VOLNAME>] - list information of all volumes
volume list - list all volumes in cluster
volume log <VOLNAME> rotate [BRICK] - rotate the log file for corresponding volume/brick
volume log rotate <VOLNAME> [BRICK] - rotate the log file for corresponding volume/brick NOTE: This is an old syntax, will be deprecated from next release.
volume profile <VOLNAME> {start|info [peek|incremental [peek]|cumulative|clear]|stop} [nfs] - volume profile operations
volume rebalance <VOLNAME> {{fix-layout start} | {start [force]|stop|status}} - rebalance operations
volume remove-brick <VOLNAME> [replica <COUNT>] <BRICK> ... <start|stop|status|commit|force> - remove brick from volume <VOLNAME>
volume replace-brick <VOLNAME> <SOURCE-BRICK> <NEW-BRICK> {commit force} - replace-brick operations
volume reset <VOLNAME> [option] [force] - reset all the reconfigured options
volume reset-brick <VOLNAME> <SOURCE-BRICK> {{start} | {<NEW-BRICK> commit}} - reset-brick operations
volume set <VOLNAME> <KEY> <VALUE> - set options for volume <VOLNAME>
volume set <VOLNAME> group  <GROUP> - This option can be used for setting multiple pre-defined volume optionswhere group_name is a file under /var/lib/glusterd/groups containing onekey, value pair per line
volume start <VOLNAME> [force] - start volume specified by <VOLNAME>
volume statedump <VOLNAME> [[nfs|quotad] [all|mem|iobuf|callpool|priv|fd|inode|history]... | [client <hostname:process-id>]] - perform statedump on bricks
volume status [all | <VOLNAME> [nfs|shd|<BRICK>|quotad|tierd]] [detail|clients|mem|inode|fd|callpool|tasks|client-list] - display status of all or specified volume(s)/brick
volume stop <VOLNAME> [force] - stop volume specified by <VOLNAME>
volume sync <HOSTNAME> [all|<VOLNAME>] - sync the volume information from a peer
volume top <VOLNAME> {open|read|write|opendir|readdir|clear} [nfs|brick <brick>] [list-cnt <value>] |
volume top <VOLNAME> {read-perf|write-perf} [bs <size> count <count>] [brick <brick>] [list-cnt <value>] - volume top operations
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Version-Release number of selected component (if applicable):
Whatever is the upstream version.

How reproducible:
constantly 

Steps to Reproduce:
1.Issue # gluster v help command 

Actual results:
volume set <VOLNAME> group  <GROUP> - This option can be used for setting multiple pre-defined volume optionswhere group_name is a file under /var/lib/glusterd/groups containing onekey, value pair per line

Expected results:
volume set <VOLNAME> group <GROUP> - This option can be used for setting multiple pre-defined volume options where group_name is a file under /var/lib/glusterd/groups containing one key value pair per line

Additional info: