Fix typo. pg_dump -B --> pg_dump -b

doc/src/sgml/backup.sgml

-<!-- $Header: /cvsroot/pgsql/doc/src/sgml/backup.sgml,v 2.10 2001/07/06 02:01:35 ishii Exp $ -->
+<!-- $Header: /cvsroot/pgsql/doc/src/sgml/backup.sgml,v 2.11 2001/08/16 04:30:41 ishii Exp $ -->
 <chapter id="backup">
  <title>Backup and Restore</title>
 
@@ -278,7 +278,7 @@ pg_dump -Fc <replaceable class="parameter">dbname</replaceable> > <replaceable c
    <para>
     For reasons of backward compatibility, <application>pg_dump</> does
     not dump large objects by default. To dump large objects you must use 
-    either the custom or the TAR output format, and use the -B option in 
+    either the custom or the TAR output format, and use the -b option in 
     <application>pg_dump</>. See the reference pages for details.
     The directory <filename>contrib/pg_dumplo</> of the
     <productname>Postgres</> source tree also contains a program that can