diff --git a/zunclient/osc/v1/containers.py b/zunclient/osc/v1/containers.py
index b99e78b9..be8baafe 100644
--- a/zunclient/osc/v1/containers.py
+++ b/zunclient/osc/v1/containers.py
@@ -999,7 +999,7 @@ class AddSecurityGroup(command.Command):
         parser.add_argument(
             'security_group',
             metavar='<security_group>',
-            help='The security group for specified container. ')
+            help='Security group ID or name for specified container. ')
         return parser
 
     def take_action(self, parsed_args):
diff --git a/zunclient/v1/containers_shell.py b/zunclient/v1/containers_shell.py
index 2a4f51c6..2441654d 100644
--- a/zunclient/v1/containers_shell.py
+++ b/zunclient/v1/containers_shell.py
@@ -713,7 +713,7 @@ def do_commit(cs, args):
            help='ID or name of the container to add security group.')
 @utils.arg('security_group',
            metavar='<security_group>',
-           help='The security group for specified container.')
+           help='Security group ID or name for specified container.')
 def do_add_security_group(cs, args):
     """Add security group for specified container."""
     opts = {}