Fix typo: Contibutor -> Contributor

Author: changeworld

articles/extended-zones/replicate-azure-compute-gallery.md

@@ -13,7 +13,7 @@ ms.date: 08/26/2025
 In this tutorial, you learn how to:
 > [!div class="checklist"]
 > - Create a user-assigned managed identity.
-> - Assign a Contibutor role to the managed identity.
+> - Assign a Contributor role to the managed identity.
 > - Assign the managed identity to an Azure Compute Gallery.
 > - Replicate 3rd Party (3P) Images into an Azure Extended Zone with Azure Compute Gallery.