diff --git a/doc/sandbox.mdwn b/doc/sandbox.mdwn
index fe26cea6b..8043be10e 100644
--- a/doc/sandbox.mdwn
+++ b/doc/sandbox.mdwn
@@ -1,6 +1,6 @@
 This is the SandBox, a page anyone can edit to try out this fab ikiwiki.
 
-foo
+foobar
 
 # テスト。