diff --git a/doc/plugins/haiku/discussion.mdwn b/doc/plugins/haiku/discussion.mdwn
new file mode 100644
index 000000000..3b19eddd9
--- /dev/null
+++ b/doc/plugins/haiku/discussion.mdwn
@@ -0,0 +1,3 @@
+The output of this plugin does not validate as XHTML: [validator.w3.org][w3] --ulrik
+
+[w3]: http://validator.w3.org/check?uri=http%3A%2F%2Fikiwiki.info%2Fplugins%2Fhaiku%2Findex.html&charset=%28detect+automatically%29&doctype=Inline&group=0