diff --git a/doc/ext/filehost.md b/doc/ext/filehost.md
index f19643a..bc05524 100644
--- a/doc/ext/filehost.md
+++ b/doc/ext/filehost.md
@@ -16,7 +16,7 @@ copyrights:
 
 This is a work-in-progress specification.
 
-# Motivation
+## Motivation
 
 This specification offers a way for servers to advertise a hosting service for
 users to upload files (such as text or images), so they can post them on IRC.