diff --git a/doc/sandbox.mdwn b/doc/sandbox.mdwn
index acea37892..ba551f17d 100644
--- a/doc/sandbox.mdwn
+++ b/doc/sandbox.mdwn
@@ -71,6 +71,7 @@ Bulleted list
 
 ----
 
+[[template id=note text="this is generated by the [[plugins/haiku]] plugin"]]
 [[haiku hint="sandbox play"]]
 
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