Repeated term: the

Signed-off-by: Sam Kleinman <samk@10gen.com>
Repeated term: with

Signed-off-by: Sam Kleinman <samk@10gen.com>
Repeated term: or

Signed-off-by: Sam Kleinman <samk@10gen.com>
Minor typo on indexes core document

Signed-off-by: Sam Kleinman <samk@10gen.com>
Repeated term: in

Signed-off-by: Sam Kleinman <samk@10gen.com>