[Plugin: April’s Facebook Like Button] How to use Position: Manual?

On plugin “April’s Facebook Like Button” there is an option for position called Manual, but there is no instruction how to use it. I want to place the button right above the content, so I want a code to place in the theme, within the loop but outside the_content. How do I do that?

http://wordpress.org/extend/plugins/aprils-facebook-like-button/