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Correct Markdown syntax for [!Note] and lowercase all but first word of headings (MSFT style).

Author: AnnaMHuff

articles/machine-learning/how-to-import-data-assets.md

@@ -43,7 +43,8 @@ To create and work with data assets, you need:
 
 ## Importing from external database sources / import from external sources to create a meltable data asset
 
->NOTE: The external databases can have Snowflake, Azure SQL, etc. formats.
+> [!NOTE] 
+> The external databases can have Snowflake, Azure SQL, etc. formats.
 
 The following code samples can import data from external databases. The `connection` that handles the import action determines the external database data source metadata. In this sample, the code imports data from a Snowflake resource. The connection points to a Snowflake source. With a little modification, the connection can point to an Azure SQL database source and an Azure SQL database source. The imported asset `type` from an external database source is `mltable`.
 

articles/machine-learning/toc.yml

@@ -632,11 +632,11 @@
           href: how-to-administrate-data-authentication.md
         - name: Access data
           items:
-            - name: Use Connections
-              displayName: Use Connections
+            - name: Use connections
+              displayName: Use connections
               href: how-to-connection.md
-            - name: Import Data
-              displayName: Import Data
+            - name: Import data
+              displayName: Import data
               href: how-to-import-data-assets.md
         # v1
         - name: Access data