diff --git a/apps/markdown-previewer/index.html b/apps/markdown-previewer/index.html
index 8b4a0eaa6..463fdbe01 100644
--- a/apps/markdown-previewer/index.html
+++ b/apps/markdown-previewer/index.html
@@ -22,7 +22,7 @@
crossorigin
src="https://unpkg.com/react-dom@17/umd/react-dom.production.min.js"
>
-
+