doc: add link to instructions to use event-bus

README.rst

@@ -201,6 +201,16 @@ This entry may be present if you named your server with the LMS hostname.
 
 .. _DigitalOcean: https://digitalocean.com/
 
+
+Use event-bus through tutor-discovery
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Event bus can be run through discovery. To consume events from event bus in discovery, follow these `instructions`_ provided by `event-bus-redis`_.
+
+.. _instructions: https://github.com/openedx/event-bus-redis/blob/main/docs/tutor_installation.rst
+.. _event-bus-redis: https://github.com/openedx/event-bus-redis
+
+
 Troubleshooting
 ---------------