diff --git a/aws/cloudformation-template-ipsec.json b/aws/cloudformation-template-ipsec.json
index 6ba6bfb..28eef4b 100644
--- a/aws/cloudformation-template-ipsec.json
+++ b/aws/cloudformation-template-ipsec.json
@@ -574,7 +574,7 @@
             "Description": "Learn how to configure VPN clients.",
             "Value": "https://github.com/hwdsl2/setup-ipsec-vpn#next-steps"
         },
-        "WarningForDebianUsers":{
+        "WarningForDebianUsers": {
             "Description": "Please be noted that due to Debian images on AWS EC2 using cloud kernels, you are unable to use IPSec/L2TP mode if your server is running Debian. For more information, please refer to the link to the left.",
             "Value": "https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/docs/clients.md#debian-kernel"
         }