diff --git a/examples/website.kdl b/examples/website.kdl
index 63625fc..a1df90a 100644
--- a/examples/website.kdl
+++ b/examples/website.kdl
@@ -1,4 +1,4 @@
-doctype "html"
+!doctype "html"
 html lang="en" {
     head {
         meta charset="utf-8"