diff --git a/website/docs/guides/advanced/custom-toolkit.md b/website/docs/guides/advanced/custom-toolkit.md
index 7b24b6402b..d902a568f0 100644
--- a/website/docs/guides/advanced/custom-toolkit.md
+++ b/website/docs/guides/advanced/custom-toolkit.md
@@ -1,3 +1,4 @@
+---
 title: Custom Toolkit
 sidebar_position: 44
 ---