Roadmap: Minor updates to metrics

Polly-Roadmap.md

@@ -25,10 +25,10 @@ With the number of resilience strategies now available in Polly v5, emitting Pol
 The planned architecture envisages three layers:
 
 + raise raw events from policies
-+ aggregate those events with **Rx**, to form relevant metrics/stats
++ aggregate those events with **Rx** or another strategy, to form relevant metrics/stats
 + transform those metrics to the format required by any particular dashboard.
 
-The layered architecture is intended to allow users to push metrics to any dashboard (eg Hystrix Dashboard; AppInsights; Prometheus; Elastic Kibana), including users writing their own plugins for custom dashboards if desired.
+The layered architecture is intended to allow users to push metrics to any dashboard (eg AppInsights; Influx; Prometheus), including users writing their own plugins for custom dashboards if desired.
 
 An open question is at what point to ship those events/metrics 'off box'? (off the original host of the app).  Should the Polly metrics infrastructure take a view about whether aggregation of raw events into metrics should take place on the original box or not?