versions: Fix 'versions show' help message

The command `openstack versions show --help` shows a copy-paste nit.

Change-Id: I9e4e86429ffd630c566bbdf2929e7995c9b0dbe1
Signed-off-by: Pierre Prinetti <pierreprinetti@redhat.com>

doc/source/cli/command-objects/versions.rst

@@ -17,6 +17,7 @@ Show service versions:
         [--interface <interface>]
         [--region-name <region-name>]
         [--service <service>]
+        [--status <status>]
 
 .. option:: --all-interfaces
 
@@ -30,7 +31,7 @@ Show service versions:
 
 .. option:: --region-name <region-name>
 
-    Limit results to only those from region-name
+    Limit results to only those from a given region.
 
 .. option:: --service <service>
 
@@ -38,4 +39,13 @@ Show service versions:
     an exact match to what is in the catalog or a known official value or
     alias from `service-types-authority`_.
 
+.. option:: --status <status>
+
+    Limit results to only those in the given state. Valid values are:
+
+    - SUPPORTED
+    - CURRENT
+    - DEPRECATED
+    - EXPERIMENTAL
+
 .. _service-types-authority: https://service-types.openstack.org/

openstackclient/common/versions.py

@@ -45,12 +45,12 @@ class ShowVersions(command.Lister):
         )
         parser.add_argument(
             '--service',
-            metavar='<region_name>',
+            metavar='<service>',
             help=_('Show versions for a specific service.'),
         )
         parser.add_argument(
             '--status',
-            metavar='<region_name>',
+            metavar='<status>',
             help=_('Show versions for a specific status.'
                    ' [Valid values are SUPPORTED, CURRENT,'
                    ' DEPRECATED, EXPERIMENTAL]'),