Fix typo in Dropbox name.
Fix typo in Dropbox name.

sitofabi/duplicati,mnaiman/duplicati,sitofabi/duplicati,duplicati/duplicati,mnaiman/duplicati,sitofabi/duplicati,duplicati/duplicati,duplicati/duplicati,sitofabi/duplicati,sitofabi/duplicati,mnaiman/duplicati,duplicati/duplicati,mnaiman/duplicati,mnaiman/duplicati,duplicati/duplicati