Duration not adding up correctly
 

Start a new project, and take the first task that is given to you, and change its date from today's date, to today's date + 2 years. Example would be 10/1/11 to 10/1/13. The duration column shows up as ~26 months.

Last I checked, there were only 24 months in 2 years. How do I fix this?

Thanks,