Update metrics-supported.md

Explaining what CLI means. Reviewing changes to the document.

Author: UmarAlFarooq

articles/azure-monitor/essentials/metrics-supported.md

@@ -16,7 +16,7 @@ ms.reviewer: priyamishra
 
 Date list was last updated: 2021-10-05.
 
-Azure Monitor provides several ways to interact with metrics, including charting them in the Azure portal, accessing them through the REST API, or querying them by using PowerShell or the Azure CLI. 
+Azure Monitor provides several ways to interact with metrics, including charting them in the Azure portal, accessing them through the REST API, or querying them by using PowerShell or the Azure CLI (Command Line Interface). 
 
 This article is a complete list of all platform (that is, automatically collected) metrics currently available with the consolidated metric pipeline in Azure Monitor. Metrics changed or added after the date at the top of this article might not yet appear in the list. To query for and access the list of metrics programmatically, use the [2018-01-01 api-version](/rest/api/monitor/metricdefinitions). Other metrics not in this list might be available in the portal or through legacy APIs.