Update authentication guidelines

Author: maud-lv

articles/partner-solutions/neon/create-service-connection.md

@@ -36,16 +36,13 @@ Follow these steps to connect an app to Neon Serverless Postgres (Preview):
     |----------------------------|-------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
     | **Service type**           | *Neon Serverless Postgres*    | The name of the target service: **Neon Serverless Postgres**.                                                                                                                                                                                                                                     |
     | **Connection name**        | *neon_postgres_01*            | The name of the connection between the Azure compute resource and the Neon Serverless Postgres resource. Use the connection name provided by Service Connector or enter your own connection name. Connection names can only contain letters, numbers (0-9), periods ("."), and underscores ("_"). |
-    | **Neon Postgres hostname**     | *contoso-compute.gwc.azure.neon.tech* | The host name of the Neon Serverless Postgres resource. The host name is displayed in the Neon portal, in the **Connect** menu, under **Connection string**.                                                                                                                              |
+    | **Neon Postgres hostname** | *contoso-compute.gwc.azure.neon.tech* | The host name of the Neon Serverless Postgres resource. The host name is displayed in the Neon portal, in the **Connect** menu, under **Connection string**.                                                                                                                              |
     | **Neon Postgres database** | *database*                    | The name of the database within the Neon Serverless Postgres resource. The database name is displayed in the Neon portal, in the **Connect** menu, under **Database**.                                                                                                                            |
     | **Client type**            | *Python*                      | The database client type.                                                                                                                                                                                                                                                                         |
 
      :::image type="content" source="./media/service-connection/create-basics-tab.png" alt-text="Screenshot from the Azure portal showing the Create connection - Basics tab.":::
 
-1. Select **Next: Authentication**.
-
-    1. The **Connection string** authentication option is selected by default. It's the only authentication option currently available.
-    1.  Under **Continue with**, select **Database credentials** or **Key Vault** (recommended) and enter the requested information. For details about authenticating with Key Vault, read [Connect Azure services and store secrets in Azure Key Vault](../../service-connector/tutorial-portal-key-vault.md).
+1. Select **Next: Authentication** and opt to authenticate with **Database credentials** or **Key Vault**. We recommend using Key Vault to securely store and manage your credentials, reduce the risk of exposure and simplify secret management. For more information about authenticating with Key Vault, read [Connect Azure services and store secrets in Azure Key Vault](../../service-connector/tutorial-portal-key-vault.md). Optionally also save your configuration in Azure App Configuration and edit the provided environment variables.
 
      :::image type="content" source="./media/service-connection/create-authentication-tab.png" alt-text="Screenshot from the Azure portal showing the Create connection - Authentication tab.":::