Merge pull request #272713 from cloga/lochen-automatic-runtime-update

Lochen automatic runtime update

Author: prmerger-automator[bot]

articles/machine-learning/prompt-flow/how-to-create-manage-runtime.md

@@ -65,7 +65,7 @@ Automatic is the default option for a runtime. You can start an automatic runtim
 
   - Select compute type. You can choose between serverless compute and compute instance. 
     - If you choose serverless compute, you can set following settings:
-        - Customize the VM size that the runtime uses.
+        - Customize the VM size that the runtime uses. Please opt for VM series D and above. For additional information, refer to the section on [Supported VM series and sizes](../concept-compute-target.md#supported-vm-series-and-sizes)
         - Customize the idle time, which saves code by deleting the runtime automatically if it isn't in use.
         - Set the user-assigned managed identity. The automatic runtime uses this identity to pull a base image, auth with connection and install packages. Make sure that the user-assigned managed identity has Azure Container Registry `acrpull` permission. If you don't set this identity, we use the user identity by default. 
 
@@ -86,7 +86,6 @@ Automatic is the default option for a runtime. You can start an automatic runtim
            user_assigned_identities:
             '/subscriptions/<subscription_id>/resourcegroups/<resource_group_name>/providers/Microsoft.ManagedIdentity/userAssignedIdentities/<uai_name>': {}
             '<UAI resource ID 2>': {}
-        primary_user_assigned_identity: <one of the UAI resource IDs in the above list>
         ```
 
         > [!TIP]
@@ -182,7 +181,7 @@ data: <path_to_flow>/data.jsonl
 # identity:
 #   type: user_identity 
 
-# use workspace primary UAI
+# use workspace first UAI
 # identity:
 #   type: managed