Fix PowerBI doc

Author: selasagi

tools/CreateMappings_rules.json

@@ -81,7 +81,7 @@
 
     { "regex": "NotificationHubs", "alias": "Notification Hubs" }, 
 
-    { "regex": "OperationalInsights", "alias": "Operational Insights" },
+    { "regex": "OperationalInsights", "alias": "Operational Insights" }, 
 
     { "regex": "PowerBIEmbedded", "group": "Power BI", "alias": "Embedded Capacity" }, 
     { "regex": "PowerBIWorkspace", "group": "Power BI", "alias": "Workspace Collections" },