Fixed parameter validation tag

samples/manage/azure-arc-enabled-sql-server/modify-license-type/README.md

@@ -96,11 +96,16 @@ Use the following steps to run the script in a PowerShell session on your PC.
     curl https://raw.githubusercontent.com/microsoft/sql-server-samples/master/samples/manage/azure-arc-enabled-sql-server/modify-license-type/modify-license-type.ps1 -o modify-license-type.ps1
     ```
 
-1. Use the following commands to install the Az module. For more information, see [Install the Azure Az PowerShell module](https://learn.microsoft.com/powershell/azure/install-az-ps):  
+1. Make sure the NuGet package provider is installed:  
 
     ```console
     Set-ExecutionPolicy  -ExecutionPolicy RemoteSigned -Scope CurrentUser
-    Install-packageProvider -Name NuGet -MinimumVersion 2.8.5.201 -Force  
+    Install-packageProvider -Name NuGet -MinimumVersion 2.8.5.201 -Scope CurrentUser -Force  
+    ```
+
+1. Make sure the the Az module is installed. For more information, see [Install the Azure Az PowerShell module](https://learn.microsoft.com/powershell/azure/install-az-ps):  
+
+    ```console
     Install-Module Az -Scope CurrentUser -Repository PSGallery -Force
     ```
 

samples/manage/azure-arc-enabled-sql-server/modify-license-type/modify-license-type.ps1

@@ -22,14 +22,14 @@
 #
 
 param (
-    [Parameter (Mandatory= $false)] 
+    [Parameter (Mandatory=$false)] 
     [string] $SubId, 
     [Parameter (Mandatory= $false)] 
     [string] $ResourceGroup, 
     [Parameter (Mandatory= $false)] 
     [string] $MachineName, 
     [Parameter (Mandatory= $true)]
-    [ValidateSet(“PAYG”,”Paid”,"LicenseOnly”)]
+    [ValidateSet("PAYG","Paid","LicenseOnly", IgnoreCase=$false)]
     [string] $LicenseType, 
     [Parameter (Mandatory= $false)]
     [boolean] $All=$false