database indexes?

Hi,

In the tips & tricks document  
(http://www.jahia.org/jahia/webdav/shared/documentation/fine_tuning_tips.pdf)

there is refered to a page which should contain information about  
useful indexes to define in your database:

"""
Regarding database performance, Jahia is by default delivered without  
indexes as
they are strongly related to your choice of database. However you may  
find a list of
Jahia indexes you can use here: http://www.jahia.org/jahia/page454.html#4
"""

However, this page does not exist.

Can anyone point me to the correct place (and maybe fix the documentation).

Thanks,

Arjan