diff --git a/docs/src/user-guide/formatters/index.md b/docs/src/user-guide/formatters/index.md
index 07f1cd13d9a..70733e61b69 100644
--- a/docs/src/user-guide/formatters/index.md
+++ b/docs/src/user-guide/formatters/index.md
@@ -82,6 +82,7 @@ function addOne(i) {
 ```
 
 ### html
+
 <iframe src="html-formatter-example.html" width="100%" height="460px"></iframe>
 
 ### jslint-xml