Review for United States English Spellchecker by fredck
Rated 5 out of 5 stars
Firefox 3.5.1 accepts this dictionary on the first run after installation, and it works well. As soon as you restart the browser, it stops working and gets listed as "Not compatible with Firefox 3.5.1".
This review is for a previous version of the add-on (3.0.3).To create your own collections, you must have a Mozilla Add-ons account.