Update README.md (#1853)

rum_roku/README.md

@@ -51,7 +51,8 @@ Need help? Contact [Datadog Support][7].
 
 Additional helpful documentation, links, and articles:
 
-- [Roku Monitoring][2]
+- [RUM Roku Channel Monitoring][2] documentation
+- [Monitor your Roku channels with Datadog RUM][8] blog post
 
 [1]: https://app.datadoghq.com/integrations/rum-roku
 [2]: https://docs.datadoghq.com/real_user_monitoring/roku/
@@ -60,3 +61,4 @@ Additional helpful documentation, links, and articles:
 [5]: https://docs.datadoghq.com/real_user_monitoring/generate_metrics
 [6]: https://docs.datadoghq.com/real_user_monitoring/roku/data_collected/
 [7]: https://docs.datadoghq.com/help/
+[8]: https://www.datadoghq.com/blog/monitor-roku-with-rum/