"gen-subuser" is unavailable, remove it. Hence, "subuser" is required.
Signed-off-by: hrchu <hrchu@cht.com.tw>
==============
Create a new subuser (primarily useful for clients using the Swift API).
-Note that either ``gen-subuser`` or ``subuser`` is required for a valid
-request. Note that in general for a subuser to be useful, it must be
-granted permissions by specifying ``access``. As with user creation if
+Note that in general for a subuser to be useful, it must be granted
+permissions by specifying ``access``. As with user creation if
``subuser`` is specified without ``secret``, then a secret key will
be automatically generated.
:Description: Specify the subuser ID to be created.
:Type: String
:Example: ``sub_foo``
-:Required: No
+:Required: Yes
``secret-key``