Fixing stale title and description

Author: snehithm

articles/azure-monitor/platform/alerts-using-migration-tool.md

@@ -1,6 +1,6 @@
 ---
-title: "Migrate your classic alerts in Azure Monitor using the voluntary migration tool"
-description: Learn how to use voluntary migration tool to migrate your classic alert rules.
+title: "Migrate your classic alerts in Azure Monitor by using the voluntary migration tool"
+description: Learn how to use the voluntary migration tool to migrate your classic alert rules.
 author: yanivlavi
 ms.service: azure-monitor
 ms.topic: conceptual