Update Using Grafana with the Oracle Cloud Infrastructure Data Source.md

Added links to monitoring service docs.

Author: mickeyboxell

docs/Using Grafana with the Oracle Cloud Infrastructure Data Source.md

@@ -1,6 +1,7 @@
 # Using Grafana with the Oracle Cloud Infrastructure Data Source 
 
-Here are a few tools for you to explore after installing and configuring the Oracle Cloud Infrastructure Data Source for Grafana. 
+Here are a few tools for you to explore after installing and configuring the Oracle Cloud Infrastructure Data Source for Grafana. Refer to [this page]
+(https://docs.cloud.oracle.com/iaas/Content/Monitoring/Concepts/monitoringoverview.htm) for more information about how to use the Monitoring Service. 
 
 ## Query Editor