diff --git a/README.md b/README.md
index 19196b4f..c1464eb8 100644
--- a/README.md
+++ b/README.md
@@ -639,7 +639,7 @@ archivebox config --set DEBUG=True
 archivebox server --debug ...
 ```
 
-### Build and run a Github branch
+#### Build and run a Github branch
 
 ```bash
 docker build -t archivebox:dev https://github.com/ArchiveBox/ArchiveBox.git#dev