Comment 3 for bug 1562043

Reviewed: https://review.openstack.org/415320
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=3f7200b6da8d79052e86f329a0732be4e1471ea2
Submitter: Jenkins
Branch: master

commit 3f7200b6da8d79052e86f329a0732be4e1471ea2
Author: wangxiyuan <email address hidden>
Date: Wed Dec 28 10:38:49 2016 +0800

    [api-ref]Add api ref for "volume type encryption"

    the api ref for "volume type encryption" is missing.

    Change-Id: I4320426ac8270da4922f4ae3d8b1ca8d732f25b1
    Closes-bug: #1562043