help text for juju revoke needs improving

[Peter Matulis]

e.g.:

Usage: juju revoke [options] <user name> <model name> ...

Summary:
Revokes access from a Juju user for a model.

Options:

--acl (= "read")
    Access control ('read' or 'write')
-c, --controller (= "")
    Controller to operate in

Details:
By default, the controller is the current controller.
Revoking write access, from a user who has that permission, will leave that user with read access. Revoking read access, however, also revokes write access.

Examples:

Revoke read (and write) access from user 'joe' for model 'mymodel':

    juju revoke joe mymodel

Revoke write access from user 'sam' for models 'model1' and 'model2':

    juju revoke --acl=write sam model1 model2

See also: grant

[Reed O'Brien (reedobrien)]

Output:

Usage: juju revoke [options] <user> <model name> ...

Summary:
Revokes access from a Juju user for a model.

Options:
--acl (= "read")
    Access control ('read' or 'write')
-c, --controller (= "")
    Controller to operate in

Details:
By default, the controller is the current controller.
Revoking write access, from a user who has that permission, will leave
that user with read access. Revoking read access, however, also revokes
write access.

Examples:
Revoke read (and write) access from user 'joe' for model 'mymodel':

    juju revoke joe mymodel

Revoke write access from user 'sam' for models 'model1' and 'model2':

    juju revoke --acl=write sam model1 model2

See also:
    grant