diff --git a/src/demos/checkbox/checkbox-demo.component.html b/src/demos/checkbox/checkbox-demo.component.html
index 0bfdf3a4f..c1039b6a6 100644
--- a/src/demos/checkbox/checkbox-demo.component.html
+++ b/src/demos/checkbox/checkbox-demo.component.html
@@ -1,18 +1,47 @@
-