Update authentication steps and screenshot

Author: maud-lv

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

@@ -43,10 +43,17 @@ Follow these steps to connect an app to Neon Serverless Postgres (Preview):
 
      :::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** 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.
+1. Select **Next: Authentication** and select or enter the following information:
+   1. Select **Database credentials** and enter your database username and password.
+   1. Select **Store Secret in Key Vault** and select a Key Vault connection if you already have one, or select **Create new** to create a Key Vault connection. For step-by-step instructions to create a new connection to Key Vault, refer to [Connect Azure services and store secrets in Azure Key Vault](../../service-connector/tutorial-portal-key-vault#create-a-key-vault-connection-in-app-service).
+   
+   Optionally also select **Advanced** 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.":::
-    
+   :::image type="content" source="./media/service-connection/create-authentication-tab.png" alt-text="Screenshot from the Azure portal showing the Create connection - Authentication tab.":::
+
+   > [!NOTE]
+   > We recommend you leverage Azure Key Vault to securely store and manage your credentials, reduce the risk of exposure and simplify secret management.
+  
 1. Select **Next: Networking** >  **Next: Review + Create**  and  review the provided information.
 
 1. Select **Create**.