diff --git a/docs/index.html b/docs/index.html
index ddc180f39e..bd53af45e6 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -43,6 +43,7 @@
 	<script src="//unpkg.com/docsify/lib/docsify.min.js"></script>
 	<script src="https://unpkg.com/docsify-copy-code@2"></script>
 	<script src="//unpkg.com/prismjs/components/prism-bash.min.js"></script>
+	<script src="//unpkg.com/prismjs/components/prism-yaml.min.js"></script>
 	<script src="//unpkg.com/prismjs/components/prism-json.min.js"></script>
 	<script src="//unpkg.com/prismjs/components/prism-typescript.min.js"></script>
 	<script src="//unpkg.com/docsify/lib/plugins/ga.min.js"></script>