[Azure AD roles] fix PS in amin units

Author: curtand

articles/active-directory/users-groups-roles/roles-admin-units-add-manage-users.md

@@ -46,11 +46,11 @@ You can assign users to administrative units in two ways.
 
 ### PowerShell
 
-    $administrative unitObj = Get-AzureADAdministrativeUnit -Filter "displayname eq 'Test administrative unit 2'"
+    $administrativeunitObj = Get-AzureADAdministrativeUnit -Filter "displayname eq 'Test administrative unit 2'"
     $UserObj = Get-AzureADUser -Filter "UserPrincipalName eq '[email protected]'"
-    Add-AzureADAdministrativeUnitMember -ObjectId $administrative unitObj.ObjectId -RefObjectId $UserObj.ObjectId
+    Add-AzureADAdministrativeUnitMember -ObjectId $administrativeunitObj.ObjectId -RefObjectId $UserObj.ObjectId
 
-In the above example, the cmdlet Add-AzureADAdministrativeUnitMember is used to add the user to the administrative unit. The object ID of the Administrative Unit where user is to be added and the object ID of the user who is to be added are taken as argument. The highlighted section may be changed as required for the specific environment.
+In the above example, the cmdlet Add-AzureADAdministrativeUnitMember is used to add the user to the administrative unit. The object ID of the administrative unit where user is to be added and the object ID of the user who is to be added are taken as argument. The highlighted section may be changed as required for the specific environment.
 
 ### Microsoft Graph