Merge pull request #269800 from Blackmist/table-changes

proposed changes from PM

Author: prmerger-automator[bot]

articles/machine-learning/how-to-identity-based-service-authentication.md

@@ -35,16 +35,15 @@ Azure Machine Learning is composed of multiple Azure services. There are multipl
 
 * You must be familiar with creating and working with [Managed Identities](../active-directory/managed-identities-azure-resources/overview.md).
 
-## Azure Container Registry supported configurations
+## Azure Container Registry and identity types
 
-The following table lists the supported configurations when authenticating to __Azure Container Registry__, depending on the authentication method and the __public network access__ workspace flag.
+The following table lists the support matrix when authenticating to __Azure Container Registry__, depending on the authentication method and the __public network access__ workspace flag.
 
 | Authentication method | Public network access</br>disabled | Public network access</br>enabled |
 | ---- | :----: | :----: |
 | Admin user | ✓ | ✓ |
 | Workspace system-assigned managed identity | ✓ | ✓ |
-| Workspace system-assigned and user-assigned managed identity</br>with the ACRPull role assigned to the identity |  | ✓ |
-| Compute system-assigned or user-assigned managed identity</br>with the ACRPull role assigned to the identity |  |  |
+| Workspace user-assigned managed identity</br>with the ACRPull role assigned to the identity |  | ✓ |
 
 ## User-assigned managed identity