link_to_upgrading.0001.patch

diff --git a/doc/src/sgml/release-12.sgml b/doc/src/sgml/release-12.sgml
index dfa3851913..62cdbba2d5 100644
--- a/doc/src/sgml/release-12.sgml
+++ b/doc/src/sgml/release-12.sgml
@@ -1216,6 +1216,8 @@ Branch: REL9_4_STABLE [8f8809091] 2019-10-04 15:38:36 -0400
     A dump/restore using <xref linkend="app-pg-dumpall"/>, or use of <xref
     linkend="pgupgrade"/>, is required for those wishing to migrate data
     from any previous release.
+    See <xref linkend="upgrading"/> for general information on migrating to
+    new major releases.
    </para>
 
    <para>