diff --git a/docs/index.html b/docs/index.html
index b4dc7fb..2707ddf 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -16,7 +16,7 @@
       search: "auto",
       coverpage: true,
       loadSidebar: true,
-      subMaxLevel: 2
+      subMaxLevel: 1
     }
   </script>
   <script src="//cdn.jsdelivr.net/npm/docsify/lib/docsify.min.js"></script>