diff --git a/openjpa-project/src/doc/manual/ref_guide_mapping.xml b/openjpa-project/src/doc/manual/ref_guide_mapping.xml
index cc432694a..ddb71cad6 100644
--- a/openjpa-project/src/doc/manual/ref_guide_mapping.xml
+++ b/openjpa-project/src/doc/manual/ref_guide_mapping.xml
@@ -2495,6 +2495,12 @@ Oracle 9
                   </listitem>
                   <listitem>
                       <para>
+PostgreSQL 8.3 (XML support must be compiled in, the minimum JDBC driver
+version is 8.3-603)
+                      </para>
+                  </listitem>
+                  <listitem>
+                      <para>
 SQLServer 2005
                       </para>
                   </listitem>