diff --git a/doc/bugs/html5_time_element__39__s_pubdate_wrong_when_using_xhtml5___34__mode__34__.mdwn b/doc/bugs/html5_time_element__39__s_pubdate_wrong_when_using_xhtml5___34__mode__34__.mdwn
index 1bda7e5f4..c451ac4a5 100644
--- a/doc/bugs/html5_time_element__39__s_pubdate_wrong_when_using_xhtml5___34__mode__34__.mdwn
+++ b/doc/bugs/html5_time_element__39__s_pubdate_wrong_when_using_xhtml5___34__mode__34__.mdwn
@@ -22,7 +22,9 @@ The pubdate REQUIRES a date, so e.g. `pubdate="2009-03-24T18:02:14Z"`
>>>>> `Error: Attribute pubdate not allowed on element time at this point.`
>>>> *— [[Jon]], 2020-10-05*
-
+>>>>> I've filed a separate bug page for this, since this one is already
+>>>>> marked *done*: [[bugs/pubdate_not_valid_for_html5]]. I've filed a
+>>>>> patch. *—[[Jon]], 2020-10-06*
Otherwise the XML parser chokes.