srv0start.c:

  More instructions about a downgrade 4.1.1 -> 4.0.18


innobase/srv/srv0start.c:
  More instructions about a downgrade 4.1.1 -> 4.0.18

innobase/srv/srv0start.c

@@ -1638,8 +1638,9 @@ NetWare. */
 
 		fprintf(stderr,
 "InnoDB: You have now successfully upgraded to the multiple tablespaces\n"
-"InnoDB: format. You should not downgrade again to an earlier version of\n"
-"InnoDB: InnoDB!\n");
+"InnoDB: format. You should NOT DOWNGRADE again to an earlier version of\n"
+"InnoDB: InnoDB! But if you absolutely need to downgrade, see section 4.6 of\n"
+"InnoDB: http://www.innodb.com/ibman.php for instructions.\n");
 	}
 
 	if (srv_force_recovery == 0) {