Update tutorial.rst (#958)
Update tutorial.rst (#958)

* Update tutorial.rst

* Update docs/tutorial.rst

Co-authored-by: Nezar Abdennur <c7b15d02c00518b95f812417a9dff6a4b4c63500@gmail.com>
hms-dbmi/higlass,hms-dbmi/4DN_matrix-viewer,hms-dbmi/4DN_matrix-viewer,hms-dbmi/higlass,hms-dbmi/higlass,hms-dbmi/4DN_matrix-viewer,hms-dbmi/higlass