Update schema/Cite.md
Update schema/Cite.md

Co-Authored-By: Alex Ketch <53f7bb4a2fd52b28b28c0811596b78835e301812@users.noreply.github.com>
stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila,stencila/stencila