It floats on the right just like an infobox (e.g. {{infobox}}) and, in fact, uses the same CSS class. Unlike {{to do}}, this template and an infobox template on the same page should stack properly without colliding, overlapping, etc.
Usage
This template also accepts an optional parameter:
for, to specify the title that appears after "To-do list for". It defaults to the articlename.