On page: http://docs.mongodb.org/meta-driver/latest/

we can find the following text:

The MongoDB Meta Driver is an attempt to formally specify the client library interface for MongoDB. Eventually the documents and this specification will enhance and eventually replace the current MongoDB driver writing tutorial.

where there's a link to: http://www.mongodb.org/display/DOCS/Writing+Drivers+and+Tools
which in turn redirects to:
http://docs.mongodb.org/meta-driver/latest/

I recommend removing the following text

Eventually the documents and this specification will enhance and eventually replace the current MongoDB driver writing tutorial.

or replace it with some more detailed page purpose.