switch upgrade to studio version

Author: sdgilley

articles/machine-learning/service/how-to-manage-workspace.md

@@ -70,15 +70,15 @@ To create a workspace, you need an Azure subscription. If you don’t have an Az
 
 You can upgrade your workspace from Basic edition to Enterprise edition to take advantage of the enhanced features such low-code experiences and enhanced security features.
 
-1. Sign in to [Azure portal](https://portal.azure.com).
+1. Sign in to [Azure Machine Learning studio](https://ml.azure.com).
 
 1. Select the workspace that you wish to upgrade.
 
-1. Select **Upgrade** either at the top or in the upgrade message.
+1. Select **Learn more**  at the top right of the page.
 
     ![Upgrade a workspace](media/how-to-manage-workspace/upgrade.png)
 
-1. Select **Confirm Update**.
+1. Select **Upgrade** in the window that appears.
 
 
 > [!IMPORTANT]