diff --git a/doc/bugs.mdwn b/doc/bugs.mdwn
index c646242aa..4c949b59b 100644
--- a/doc/bugs.mdwn
+++ b/doc/bugs.mdwn
@@ -33,3 +33,6 @@
 * if a page containing an rss feed happens to show up in an rss feed,
   the preprocessor directives won't be expanded (good) but are left in
   raw rather than removed (bad).
+* HTML::Scrubber doesn't produce valid xhtml for tags like hr, so if html
+  sanitisation is enabled the html page won't be valid.
+  <http://bugs.debian.org/365971>