diff --git a/README.md b/README.md
index c69bf7c..34aa796 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,7 @@ Some [API Hints and How-Tos](./docs/hints.md) are also available to quickly
 introduce how some of API calls work together.
 
 
-# Development
+## Development
 
 ```
 docker run --rm -it --net=host \