diff --git a/website/source/docs/builders/alicloud-ecs.html.md.erb b/website/source/docs/builders/alicloud-ecs.html.md.erb
index 7f067f87a..6157abdb9 100644
--- a/website/source/docs/builders/alicloud-ecs.html.md.erb
+++ b/website/source/docs/builders/alicloud-ecs.html.md.erb
@@ -59,6 +59,7 @@ Here is a basic example for Alicloud.
     "ssh_username":"root",
     "instance_type":"ecs.n1.tiny",
     "io_optimized":"true",
+    "internet_charge_type":"PayByTraffic",
     "image_force_delete":"true"
   }],
   "provisioners": [{