reminder that dramatiq workers must be running for asynch operation

docs/managing_data/forced_photometry.rst

@@ -72,8 +72,9 @@ a redis server, you would add the following to your ``settings.py``:
 
 After adding the ``django_dramatiq`` installed app, you will need to run ``./manage.py migrate`` once to setup
 its DB tables. If this configuration is set in your TOM, the existing services which support asynchronous queries,
-Atlas and ZTF, should start querying asynchronously. If you do not add these settings, those services will still
-function but will fall back to synchronous queries.
+Atlas and ZTF, should start querying asynchronously. (Note: You must also start the dramatiq workers:
+``./manage.py rundramatic``. If you do not add these settings, those services will still function but will fall
+back to synchronous queries.
 
 
 Adding a new Forced Photometry Service