diff --git a/doc/src/sgml/maintenance.sgml b/doc/src/sgml/maintenance.sgml
index 5f3b6720e41..84fba9dcb10 100644
--- a/doc/src/sgml/maintenance.sgml
+++ b/doc/src/sgml/maintenance.sgml
@@ -611,6 +611,19 @@ SELECT datname, age(datfrozenxid) FROM pg_database;
     cutoff XID to the current transaction's XID.
    </para>
 
+   <tip>
+    <para>
+     When the <command>VACUUM</command> command's <literal>VERBOSE</literal>
+     parameter is specified, <command>VACUUM</command> prints various
+     statistics about the table.  This includes information about how
+     <structfield>relfrozenxid</structfield> and
+     <structfield>relminmxid</structfield> advanced.  The same details appear
+     in the server log when autovacuum logging (controlled by <xref
+      linkend="guc-log-autovacuum-min-duration"/>) reports on a
+     <command>VACUUM</command> operation executed by autovacuum.
+    </para>
+   </tip>
+
    <para>
     <command>VACUUM</command> normally only scans pages that have been modified
     since the last vacuum, but <structfield>relfrozenxid</structfield> can only be