diff --git a/Instructions/Labs/LAB_03c-Manage_Azure_Resources_by_Using_Azure_PowerShell.md b/Instructions/Labs/LAB_03c-Manage_Azure_Resources_by_Using_Azure_PowerShell.md
index 75a82059..c9d66a57 100644
--- a/Instructions/Labs/LAB_03c-Manage_Azure_Resources_by_Using_Azure_PowerShell.md
+++ b/Instructions/Labs/LAB_03c-Manage_Azure_Resources_by_Using_Azure_PowerShell.md
@@ -94,6 +94,12 @@ In this task, you will managing configuration of the Azure managed disk by using
    Get-AzDisk -ResourceGroupName $rgName -Name $diskName
    ```
 
+1. To validate the current SKU as **Standard_LRS**, from the PowerShell session within Cloud Shell, run the following command:
+
+   ```pwsh
+   New-AzDiskUpdateConfig -Sku Premium_LRS | Update-AzDisk -ResourceGroupName $rgName -DiskName $diskName
+   ```
+
 1. To change the disk performance SKU to **Premium_LRS**, from the PowerShell session within Cloud Shell, run the following:
 
    ```pwsh
@@ -116,4 +122,4 @@ In this lab, you have:
 
 - Started a PowerShell session in Azure Cloud Shell
 - Created a resource group and an Azure managed disk by using Azure PowerShell
-- Configured the managed disk by using Azure PowerShell
\ No newline at end of file
+- Configured the managed disk by using Azure PowerShell