diff --git a/content/en/docs/setup/building-from-source.md b/content/en/docs/setup/building-from-source.md
index 27436d1670..12d086e4f0 100644
--- a/content/en/docs/setup/building-from-source.md
+++ b/content/en/docs/setup/building-from-source.md
@@ -9,7 +9,7 @@ You can either build a release from source or download a pre-built release.  If
 
 The Kubernetes source code can be downloaded from the [kubernetes/kubernetes repo](https://github.com/kubernetes/kubernetes).
 
-### Building from source
+## Building from source
 
 If you are simply building a release from source there is no need to set up a full golang environment as all building happens in a Docker container.