fixed instructions on scaling up a cluster

Author: husamhilal

articles/azure-vmware/tutorial-scale-private-cloud.md

@@ -31,7 +31,7 @@ You'll need an existing private cloud to complete this tutorial. If you haven't
 
    :::image type="content" source="media/tutorial-scale-private-cloud/ss2-select-add-cluster.png" alt-text="Screenshot showing how to add a cluster to an Azure VMware Solution private cloud." lightbox="media/tutorial-scale-private-cloud/ss2-select-add-cluster.png" border="true":::
 
-1. Use the slider to select the number of hosts and then select **Save**.
+2. Use the slider to select the number of hosts and then select **Save**.
 
    :::image type="content" source="media/tutorial-scale-private-cloud/ss3-configure-new-cluster.png" alt-text="Screenshot showing how to configure a new cluster." lightbox="media/tutorial-scale-private-cloud/ss3-configure-new-cluster.png" border="true":::
 
@@ -41,14 +41,18 @@ You'll need an existing private cloud to complete this tutorial. If you haven't
 
 1. In your Azure VMware Solution private cloud, under **Manage**, select **Clusters**.
 
-1. Select the cluster you want to scale, select **More** (...), then select **Edit**.
+2. Select the cluster you want to scale, select **More** (...), then select **Edit**.
 
    :::image type="content" source="media/tutorial-scale-private-cloud/ss4-select-scale-private-cloud-2.png" alt-text="Screenshot showing where to edit an existing cluster." lightbox="media/tutorial-scale-private-cloud/ss4-select-scale-private-cloud-2.png" border="true":::
 
-1. Use the slider to select the number of hosts and then select **Save**.
+3. Click **Add Host** to add a host to the cluster. Repeat that to reach the desired number of hosts, and then select **Save**.
+
+   :::image type="content" source="media/tutorial-scale-private-cloud/ss5-add-hosts-to-cluster.png" alt-text="Screenshot showing how to add additional hosts to an existing cluster." lightbox="media/tutorial-scale-private-cloud/ss5-add-hosts-to-cluster.png" border="true":::
 
    The addition of hosts to the cluster begins.
 
+   [!NOTE] The hosts will be added to the cluster in parrallel.
+
 ## Next steps
 
 If you require another Azure VMware Solution private cloud, [create another private cloud](tutorial-create-private-cloud.md) following the same networking prerequisites, cluster, and host limits.