Docs: Fix spacing typo and capitalization consistency

This PR makes two minor corrections to improve readability and adhere to the Microsoft Style Guide:
1. Added a missing space after a comma in the NOTE block under the "Deploy the template" section.
2. Changed "ARM Template" to "ARM template" in the H1 heading and introductory paragraph to ensure capitalization consistency with the article's metadata title.

Author: NikanEidi

articles/traffic-manager/configure-multivalue-routing-method-template.md

@@ -14,9 +14,9 @@ ms.custom:
 # Customer intent: As a cloud engineer, I want to configure a Multivalue routing method with nested endpoints using an ARM template, so that I can efficiently manage traffic distribution in my Azure environment.
 ---
 
-# Configure the Multivalue routing method using an ARM Template
+# Configure the Multivalue routing method using an ARM template
 
-This article describes how to use an Azure Resource Manager template (ARM Template) to create a nested, Multivalue profile with the min-child feature.
+This article describes how to use an Azure Resource Manager template (ARM template) to create a nested, Multivalue profile with the min-child feature.
 
 [!INCLUDE [About Azure Resource Manager](~/reusable-content/ce-skilling/azure/includes/resource-manager-quickstart-introduction.md)]
 
@@ -69,7 +69,7 @@ To find more templates that are related to Azure Traffic Manager, see [Azure Qui
     The resource group name is the existing resource group that contains the existing profiles.
 
     > [!NOTE]
-    > **existingTMProfileName1**, **existingTMProfileName2**,**TMProfileDNS1**, and **TMProfileDNS2** must match your existing Traffic Manager profiles in order for the template to deploy successfully. If deployment fails, start over with Step 1.
+    > **existingTMProfileName1**, **existingTMProfileName2**, **TMProfileDNS1**, and **TMProfileDNS2** must match your existing Traffic Manager profiles in order for the template to deploy successfully. If deployment fails, start over with Step 1.
 
     It takes a few minutes to deploy the template. When completed, the output is similar to: