mention dashboard

howto/prometheus.md

@@ -72,6 +72,13 @@ This should return a number of metrics that change (or not) at each
 call. From there on, provide that endpoint to the sysadmins, which
 will follow the next procedure to add the metric to Prometheus.
 
+Once the exporter is hooked into Prometheus, you can browse the
+metrics directly at: <https://prometheus.torproject.org>. Graphs
+should be available at <https://grafana.torproject.org>, although
+those need to be created and committed into git by sysadmins to
+persist, see the [anarcat dashboard directory](https://gitlab.com/anarcat/grafana-dashboards) for more
+information.
+
 ## Adding metrics for admins
 
 TODO: talk about `scrape_jobs` for in-puppet configurations.