Merge pull request #196053 from btardif/bk-webspace

clarification for sharing certs across windows/linux asp

Author: PRMerger19

articles/app-service/app-service-plan-manage.md

@@ -44,7 +44,7 @@ You can move an app to another App Service plan, as long as the source plan and
 > [!NOTE]
 > Azure deploys each new App Service plan into a deployment unit, internally called a webspace. Each region can have many webspaces, but your app can only move between plans that are created in the same webspace. An App Service Environment is an isolated webspace, so apps can be moved between plans in the same App Service Environment, but not between plans in different App Service Environments.
 >
-> You can’t specify the webspace you want when creating a plan, but it’s possible to ensure that a plan is created in the same webspace as an existing plan. In brief, all plans created with the same resource group and region combination are deployed into the same webspace. For example, if you created a plan in resource group A and region B, then any plan you subsequently create in resource group A and region B is deployed into the same webspace. Note that plans can’t move webspaces after they’re created, so you can’t move a plan into “the same webspace” as another plan by moving it to another resource group.
+> You can’t specify the webspace you want when creating a plan, but it’s possible to ensure that a plan is created in the same webspace as an existing plan. In brief, all plans created with the same resource group, region combination and operating system are deployed into the same webspace. For example, if you created a plan in resource group A and region B, then any plan you subsequently create in resource group A and region B is deployed into the same webspace. Note that plans can’t move webspaces after they’re created, so you can’t move a plan into “the same webspace” as another plan by moving it to another resource group.
 > 
 
 1. In the [Azure portal](https://portal.azure.com), search for and select **App services** and select the app that you want to move.

articles/app-service/configure-ssl-certificate.md

@@ -15,7 +15,7 @@ ms.custom: seodec18
 Once the certificate is added to your App Service app or [function app](../azure-functions/index.yml), you can [secure a custom DNS name with it](configure-ssl-bindings.md) or [use it in your application code](configure-ssl-certificate-in-code.md).
 
 > [!NOTE]
-> A certificate uploaded into an app is stored in a deployment unit that is bound to the app service plan's resource group and region combination (internally called a *webspace*). This makes the certificate accessible to other apps in the same resource group and region combination. 
+> A certificate uploaded into an app is stored in a deployment unit that is bound to the app service plan's resource group, region and operating system combination (internally called a *webspace*). This makes the certificate accessible to other apps in the same resource group and region combination. 
 
 The following table lists the options you have for adding certificates in App Service: