diff --git a/docs/reference/api-reference.md b/docs/reference/api-reference.md
index 570037df2..3e8c8e71b 100644
--- a/docs/reference/api-reference.md
+++ b/docs/reference/api-reference.md
@@ -3,6 +3,6 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/api-reference.html
 ---
 
-# API Documentation [_index]
+## API Documentation [_index]
 
 See API documentation [here](./api/Client.md)