diff --git a/doc/index.md b/doc/index.md
index cd51b7c..10b762a 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -164,4 +164,4 @@ $form->addDependentSelectBox('city', 'City', $form['country'])
 	})
 	->setDisabledWhenEmpty(true)
 	->setPrompt('--- Select ---');
-	```
+```