diff --git a/newcluster-templates/three-hns-wincn-ad.json b/newcluster-templates/three-hns-wincn-ad.json
index 59536d3..3efe906 100644
--- a/newcluster-templates/three-hns-wincn-ad.json
+++ b/newcluster-templates/three-hns-wincn-ad.json
@@ -104,7 +104,7 @@
         "ComputeNodeOnWindowsServer2012R2",
         "ComputeNodeOnWindowsServer2016",
         "ComputeNodeWithExcelOnWindowsServer2012R2",
-        "ComputeNodeWithExcelOnWindowsServer2016",
+        "ComputeNodeWithExcelOnWindowsServer2016"
       ],
       "metadata": {
         "description": "The VM image of the compute nodes."
@@ -1127,4 +1127,4 @@
       "value": "[reference('setupClusterPublicIP').outputs.fqdn.value]"
     }
   }
-}
\ No newline at end of file
+}