In the release notes, mention that the "Overview" items are listed in

bmomjian · bmomjian · commit 88216128546f · 2007-12-08T17:24:03.000Z
the sections below in more detail.
diff --git a/doc/src/sgml/release.sgml b/doc/src/sgml/release.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.562 2007/12/07 21:22:34 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.563 2007/12/08 17:24:03 momjian Exp $ -->
 <!--
 
 Typical markup:
@@ -217,6 +217,10 @@ do it for earlier branch release files.
 
    </itemizedlist>
 
+   <para>
+    The above items are explained in more detail in the sections below.
+   </para>
+
   </sect2>
 
   <sect2>
