Update pg_dump -v comments to mention additional comments in dump file.

doc/src/sgml/ref/pg_dump.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/pg_dump.sgml,v 1.69 2004/03/23 22:06:08 tgl Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/pg_dump.sgml,v 1.70 2004/05/31 13:37:52 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -402,8 +402,8 @@ PostgreSQL documentation
       <listitem>
        <para>
 	Specifies verbose mode.  This will cause
-	<application>pg_dump</application> to print progress messages
-	to standard error.
+	<application>pg_dump</application> to output detailed object
+        comments in the dump file, and progress messages to standard error.
        </para>
       </listitem>
      </varlistentry>