Merge pull request #97823 from bandersmsft/master

cost mgt- clarified tag support

Author: PRMerger8

articles/cost-management/cost-analysis-common-uses.md

@@ -5,7 +5,7 @@ services: cost-management
 keywords:
 author: bandersmsft
 ms.author: banders
-ms.date: 10/16/2019
+ms.date: 12/04/2019
 ms.topic: conceptual
 ms.service: cost-management-billing
 manager: adwise
@@ -58,8 +58,9 @@ Looking at daily and monthly costs can help you to better understand if there’
 
 ## View costs for a specific tag
 
-Many Azure users apply tags to their resources such as a cost center or
-development environment (production and test) to better categorize charges. Tags appear as a dimension in cost analysis. You can use the dimension to gain insights into your custom tagging categorizations.
+Many Azure users apply tags to their resources such as a cost center or development environment (production and test) to better categorize charges. Tags appear as a dimension in cost analysis. You can use the dimension to gain insights into your custom tagging categorizations.
+
+Support for tags applies to usage reported *after* the tag was applied to the resource. Tags aren't applied retroactively for cost rollups.
 
 1. In the Azure portal, navigate to cost analysis for your scope. For example: **Cost Management + Billing** > **Cost Management** > **Cost analysis**.
 1. Select **Group by** for your tag.

articles/cost-management/quick-acm-cost-analysis.md

@@ -5,7 +5,7 @@ services: cost-management
 keywords:
 author: bandersmsft
 ms.author: banders
-ms.date: 10/14/2019
+ms.date: 12/04/2019
 ms.topic: quickstart
 ms.service: cost-management-billing
 manager: micflan
@@ -95,7 +95,9 @@ Generally, you can expect to see data or notifications for consumed resources wi
 
 **Group by** common properties to break down costs and identify top contributors. To group by resource tags, for example, select the tag key you want to group by. Costs are broken down by each tag value, with an extra segment for resources that don't have that tag applied.
 
-Most [Azure resources support tagging](../azure-resource-manager/tag-support.md). However, some tags aren't available in Cost Management and billing. Additionally, resource group tags aren't supported. Cost Management only supports resource tags from the date the tags are applied directly to the resource. Watch the [How to review tag policies with Azure Cost Management](https://www.youtube.com/watch?v=nHQYcYGKuyw) video to learn about using Azure tag policy to improve cost data visibility.
+Most [Azure resources support tagging](../azure-resource-manager/tag-support.md). However, some tags aren't available in Cost Management and billing. Additionally, resource group tags aren't supported. Support for tags applies to usage reported *after* the tag was applied to the resource. Tags aren't applied retroactively for cost rollups.
+
+Watch the [How to review tag policies with Azure Cost Management](https://www.youtube.com/watch?v=nHQYcYGKuyw) video to learn about using Azure tag policy to improve cost data visibility.
 
 Here's a view of Azure service costs for the current month.