updates

Author: mimckitt

articles/virtual-machine-scale-sets/tutorial-install-apps-cli.md

@@ -44,7 +44,7 @@ In your current shell, create a file named *customConfig.json* and paste the fol
 }
 ```
 
-> [!CAUTION]
+> [!NOTE]
 > You may need to invert the use of the single (') and double quotes (") within the JSON block if you decide to reference the JSON directly (instead of referencing the *customConfig.json* file) in the *--settings* parameter below. 
 
 

articles/virtual-machine-scale-sets/tutorial-use-custom-image-powershell.md

@@ -23,9 +23,6 @@ When you create a scale set, you specify an image to be used when the VM instanc
 
 If you don't have an Azure subscription, create a [free account](https://azure.microsoft.com/free/?WT.mc_id=A261C142F) before you begin.
 
-## Before you begin
-The steps below detail how to take an existing VM and turn it into a re-usable custom image that you can use to create a scale set.
-
 ## Launch Azure Cloud Shell
 The Azure Cloud Shell is a free interactive shell that you can use to run the steps in this article. It has common Azure tools preinstalled and configured to use with your account. 
 

articles/virtual-machine-scale-sets/tutorial-use-disks-powershell.md

@@ -114,7 +114,7 @@ Get-AzVmss -ResourceGroupName "myResourceGroup" -Name "myScaleSet"
 
 Under the *VirtualMachineProfile.StorageProfile* property, the list of *DataDisks* is shown. Information on the disk size, storage tier, and LUN (Logical Unit Number) is shown. The following example output details the three data disks attached to the scale set:
 
-```powershell
+```output
 DataDisks[0]                            :
   Lun                                   : 0
   Caching                               : None