diff --git a/cinderclient/v2/shell.py b/cinderclient/v2/shell.py
index a85d77fe5..aa80f6cee 100644
--- a/cinderclient/v2/shell.py
+++ b/cinderclient/v2/shell.py
@@ -1934,7 +1934,9 @@ def do_unmanage(cs, args):
 
 
 @utils.arg('volume', metavar='<volume>',
-           help='Name or ID of the volume to promote.')
+           help='Name or ID of the volume to promote. '
+                'The volume should have the replica volume created with '
+                'source-replica argument.')
 @utils.service_type('volumev2')
 def do_replication_promote(cs, args):
     """Promote a secondary volume to primary for a relationship."""
@@ -1943,7 +1945,8 @@ def do_replication_promote(cs, args):
 
 
 @utils.arg('volume', metavar='<volume>',
-           help='Name or ID of the volume to reenable replication.')
+           help='Name or ID of the volume to reenable replication. '
+                'The replication-status of the volume should be inactive.')
 @utils.service_type('volumev2')
 def do_replication_reenable(cs, args):
     """Sync the secondary volume with primary for a relationship."""