Documentation still in preview mode

I am trying to view documentation of loading data from ownerid for swift, however, https://backendless.com/feature-60-loading-data-objects-which-belong-to-the-logged-in-user-owner-policy/?preview=true&preview_id=3195&preview_nonce=2d0c19af98
This link came back with this error “You do not have permission to preview drafts.” Please advice. I went to that link from here, http://support.backendless.com/knowledge-base/article/loading-data-objects-which-belong-to-the-logged-in-user-owner-policy