diff --git a/doc/src/sgml/ref/vacuum.sgml b/doc/src/sgml/ref/vacuum.sgml
index 6a0028a514..949ca23797 100644
--- a/doc/src/sgml/ref/vacuum.sgml
+++ b/doc/src/sgml/ref/vacuum.sgml
@@ -219,7 +219,7 @@ VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] [ ANALYZE ] [ <replaceable class="paramet
       corresponding <literal>TOAST</literal> table for each relation, if one
       exists. This is normally the desired behavior and is the default.
       Setting this option to false may be useful when it is only necessary to
-      vacuum the main relation. This option is required when the
+      vacuum the main relation. This option may not be disabled when the
       <literal>FULL</literal> option is used.
      </para>
     </listitem>