diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml
index 4f59fd1..226d616 100644
*** a/doc/src/sgml/runtime.sgml
--- b/doc/src/sgml/runtime.sgml
*************** pg_dumpall -p 5432 | psql -d postgres -p
*** 1704,1709 ****
--- 1704,1711 ----
     <para>
      It is also possible to use certain replication methods, such as
      <productname>Slony</>, to create a standby server with the updated version of
+     <productname>PostgreSQL</>.  This is possible because Slony supports
+     replication between different major versions of
      <productname>PostgreSQL</>.  The standby can be on the same computer or
      a different computer.  Once it has synced up with the master server
      (running the older version of <productname>PostgreSQL</>), you can