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That is the general provision that would apply even without a prenup. However, it is not uncommon for parties to codify (write down) what the property arrangement is prior to the marriage in order to avoid confusion or dispute later. (It is much easier to deal with matters when everyone is on the same page as opposed to potentially having to deal with the same issues when nobody is talking to one another). The idea is similar to business planning, while there is no expectation for a dissolution of the business relationship, it is worthwhile to draft out the position "just in case" well in advance as it can help avoid many of the disputes that lead to problems in the first place.
As far as places to learn about prenups, the Florida Bar Association has a good publication (the original web page link is broken, but the cached version is still good):
Google Browser Link: https://webcache.googleusercontent.com/search?q=cache:az_ug8ZufGoJ:https://www.floridabar.org/divcom/jn/jnjournal01.nsf/Author/BC0EE163687DAF1285257217006F48C3+&cd=4&hl=en&ct=clnk&gl=us
(FL Stat: http://www.leg.state.fl.us/Statutes/index.cfm?App_mode=Display_Statute&URL=0000-0099/0061/Sections/0061.079.html)