diff --git a/.yamllint b/.yamllint
index ad3bcba..dcd9d37 100644
--- a/.yamllint
+++ b/.yamllint
@@ -26,4 +26,4 @@ rules:
     min-spaces-from-content: 1
   
   # Allow empty values which are common in docker-compose
-  empty-values: enable
+  empty-values: disable
diff --git a/custom-domain/dstack-ingress/CLOUDFORMATION_EXAMPLE.yaml b/custom-domain/dstack-ingress/CLOUDFORMATION_EXAMPLE.yaml
index 7435da0..bfd8e80 100644
--- a/custom-domain/dstack-ingress/CLOUDFORMATION_EXAMPLE.yaml
+++ b/custom-domain/dstack-ingress/CLOUDFORMATION_EXAMPLE.yaml
@@ -3,7 +3,7 @@ AWSTemplateFormatVersion: '2010-09-09'
 Parameters:
   HostedZoneId:
     Type: String
-    Default: 
+    Default:
     Description: Route53 Hosted Zone ID
   UserName:
     Type: String