diff --git a/doc/sandbox.mdwn b/doc/sandbox.mdwn
index 8a6780741..8cba8973f 100644
--- a/doc/sandbox.mdwn
+++ b/doc/sandbox.mdwn
@@ -3,7 +3,7 @@ This is the [[SandBox]], a page anyone can edit to try out ikiwiki (version [[!v
 
 # Header
 
-## Subheader
+## Subheader2
 
 > This is a blockquote.
 >