diff --git a/Powershell scripts/Machines Not Protected by Defender for SQL Extension/list-notProtectedMachinesDefenderforSQL.ps1 b/Powershell scripts/Machines Not Protected by Defender for SQL Extension/list-notProtectedMachinesDefenderforSQL.ps1
index 4463977dd..bd1ab30c9 100644
--- a/Powershell scripts/Machines Not Protected by Defender for SQL Extension/list-notProtectedMachinesDefenderforSQL.ps1	
+++ b/Powershell scripts/Machines Not Protected by Defender for SQL Extension/list-notProtectedMachinesDefenderforSQL.ps1	
@@ -1,4 +1,4 @@
-#Requires -Modules Az.Resources, Az.Accounts, Az.Compute, Az.ConnectedMachine, Az.SqlVirtualMachine
+#Requires -Modules Az, Az.Resources, Az.Accounts, Az.Compute, Az.ConnectedMachine, Az.SqlVirtualMachine
 
 <#
 .SYNOPSIS
@@ -55,7 +55,7 @@ foreach ($vm in $VMResources) {
 
     try {
         # Obtain the instance view of the SQL VM
-        $sqlVMInstanceView = Get-AzSqlVM -ResourceGroupName $vm.ResourceGroupName -Name $vm.Name -ErrorAction Stop
+        Get-AzSqlVM -ResourceGroupName $vm.ResourceGroupName -Name $vm.Name -ErrorAction Stop
     }
     catch {
         Write-Host "VM $($vm.Name) is missing SQL extension, skipping.."
diff --git a/Powershell scripts/Machines Not Protected by Defender for SQL Extension/readme.md b/Powershell scripts/Machines Not Protected by Defender for SQL Extension/readme.md
index 100000f40..c011b376a 100644
--- a/Powershell scripts/Machines Not Protected by Defender for SQL Extension/readme.md	
+++ b/Powershell scripts/Machines Not Protected by Defender for SQL Extension/readme.md	
@@ -10,8 +10,17 @@ Therefore, the script will exclude the following resources:
 - Linux machines
 - Deallocated or disconnected machines
 
+## Prerequisites
+* Install the following Powershell modules:
+    * Az
+    * Az.Resources
+    * Az.Accounts
+    * Az.Compute
+    * Az.ConnectedMachine
+    * Az.SqlVirtualMachine
+
 ## Examples
 
 ```powershell
-.\List-notProtectedMachinesDefenderforSQL.ps1 -SubscriptionId 'ada06e68-4678-4210-443a-c6cacebf41c5'
+.\list-notProtectedMachinesDefenderforSQL.ps1 -SubscriptionId 'ada06e68-4678-4210-443a-c6cacebf41c5'
 ```