add user-assigned

Author: sdgilley

articles/machine-learning/how-to-troubleshoot-data-labeling.md

@@ -103,9 +103,10 @@ When the **Save credentials with the datastore for data access** is **Off**, the
 
 Once you have the compute cluster name with a managed identity, assign the Storage Blob Data Contributor role to the compute cluster. 
 
-Follow the previous steps to [Add Storage Blob Data Contributor access](#add-blob-access). But this time, use the compute name in the **Select members** section, so that the compute cluster has access to the datastore.
+Follow the previous steps to [Add Storage Blob Data Contributor access](#add-blob-access). But this time, you'll be selecting the compute resource in the **Select members** section, so that the compute cluster has access to the datastore.
 
-When you select the member, search for the compute name by using the workspace name, followed by `/computes/` followed by the compute name. For example, if the workspace name is `myworkspace` and the compute name is `mycompute`, search for `myworkspace/computes/mycompute` to select the member.
+* If you're using a system-assigned identity, search for the compute name by using the workspace name, followed by `/computes/` followed by the compute name. For example, if the workspace name is `myworkspace` and the compute name is `mycompute`, search for `myworkspace/computes/mycompute` to select the member.
+* If you're using a user-assigned identity, search for the user-assigned identity name.
 
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