Mention that VACUUM FREEZE also effectively zeroes the table freeze age.

Maciek Sakrejda, reviewed by Amit Kapila

Author: robertmhaas

doc/src/sgml/ref/vacuum.sgml

@@ -101,7 +101,8 @@ VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] ANALYZE [ <replaceable class="PARAMETER">
       Selects aggressive <quote>freezing</quote> of tuples.
       Specifying <literal>FREEZE</literal> is equivalent to performing
       <command>VACUUM</command> with the
-      <xref linkend="guc-vacuum-freeze-min-age"> parameter
+      <xref linkend="guc-vacuum-freeze-min-age"> and
+      <xref linkend="guc-vacuum-freeze-table-age"> parameters
       set to zero.  Aggressive freezing is always performed when the
       table is rewritten, so this option is redundant when <literal>FULL</>
       is specified.