diff --git a/contrib/xml/README.pgxml b/contrib/xml/README.pgxml
index 6c714f74e1..76976f0f6d 100644
--- a/contrib/xml/README.pgxml
+++ b/contrib/xml/README.pgxml
@@ -1,3 +1,5 @@
+This version is obsoleted by /contrib/xml2.
+
 This package contains some simple routines for manipulating XML
 documents stored in PostgreSQL. This is a work-in-progress and
 somewhat basic at the moment (see the file TODO for some outline of