Add caveat that I forgot about regarding optiboot and the WDT vector.
Add caveat that I forgot about regarding optiboot and the WDT vector.
nickiaconis/arduino-tiny-841,SpenceKonde/arduino-tiny-841,nickiaconis/arduino-tiny-841,SpenceKonde/arduino-tiny-841,nickiaconis/arduino-tiny-841,SpenceKonde/arduino-tiny-841