diff --git a/watcherclient/v1/action_plan_shell.py b/watcherclient/v1/action_plan_shell.py
index 9cd0ec0..c582430 100644
--- a/watcherclient/v1/action_plan_shell.py
+++ b/watcherclient/v1/action_plan_shell.py
@@ -224,7 +224,7 @@ class UpdateActionPlan(command.ShowOne):
             'op',
             metavar='<op>',
             choices=['add', 'replace', 'remove'],
-            help=_("Operation: 'add'), 'replace', or 'remove'."))
+            help=_("Operation: 'add', 'replace', or 'remove'."))
         parser.add_argument(
             'attributes',
             metavar='<path=value>',