Small clarification around permissions

Author: harelbr

articles/azure-monitor/platform/alerts-troubleshoot-metric.md

@@ -222,7 +222,7 @@ Make sure that you're using the right CLI commands for metric alerts:
 To create a metric alert rule, you’ll need to have the following permissions:
 
 - Read permission on the target resource of the alert rule
-- Write permission on the resource group in which the alert rule is created (if you’re creating the alert rule from the Azure portal, the alert rule is created in the same resource group in which the target resource resides)
+- Write permission on the resource group in which the alert rule is created (if you’re creating the alert rule from the Azure portal, the alert rule is created by default in the same resource group in which the target resource resides)
 - Read permission on any action group associated to the alert rule (if applicable)
 
 
@@ -260,4 +260,4 @@ We recommend choosing an *Aggregation granularity (Period)* that is larger than
 
 ## Next steps
 
-- For general troubleshooting information about alerts and notifications, see [Troubleshooting problems in Azure Monitor alerts](alerts-troubleshoot.md).
+- For general troubleshooting information about alerts and notifications, see [Troubleshooting problems in Azure Monitor alerts](alerts-troubleshoot.md).