Clean up flags

doc/src/sgml/ref/postgres-ref.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/postgres-ref.sgml,v 1.10 2000/07/21 03:13:32 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/postgres-ref.sgml,v 1.11 2000/07/21 03:14:33 momjian Exp $
 Postgres documentation
 -->
 
@@ -262,7 +262,7 @@ postgres [ -B <replaceable class="parameter">nBuffers</replaceable> ] [ -C ] [ -
 
     <variablelist>
      <varlistentry>
-      <term>-A n|r|b|Q|X</term>
+      <term>-A [ n | r | b | Q | X ]</term>
       <listitem>
        <para>
 	This option generates a tremendous amount of output.