I would agree with the insufficient information assessment. My 401k is also managed by Fidelity. We don't have access to all of Fidelity's offerings, but the choice is still overwhelming. Fidelity's website has a wealth of information and it indicates the Freedom 2010 fund is intended for individuals with retirement dates between 2008 and 2012. The Freedom 2015 targets retirement from 2013-2018. They have several others in 5yr increments.
As far as allocation to large cap, small cap, etc. the Freedom Funds objective is to take care of that for you and gradually adjust the mix according to the target date. Fidelity has a simple pie chart breakdown at this link,,,,,