updating to storage instead of VM on storage-insights-overview.md

There was typing mistake instead of storage it is mentioned VM which is confusing the concept.

Author: sauravraghuvanshi

articles/storage/common/storage-insights-overview.md

@@ -83,7 +83,7 @@ When you select a value under any one of the columns in the workbook, you drill
 
 ## View from a storage account
 
-To access VM insights directly from a storage account:
+To access storage insights directly from a storage account:
 
 1. In the Azure portal, select Storage accounts.