diff --git a/doc/TODO b/doc/TODO
index c0eb2e8abb..21aa2bcfbf 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -53,6 +53,7 @@ PARSER
 * SELECT COUNT('asdf') FROM pg_class WHERE oid=12 crashes
 * SELECT DISTINCT ON col1 col1 col2 FROM tab1 is broken [distinct]
 * -When using aggregates + GROUP BY, no rows in should yield no rows out(Tom)
+* Allow HAVING to use comparisons that have no aggregates, for portability
 
 VIEWS