Thank you so much! Rated 5 out of 5 stars

For weeks I've been fighting with Firefox over it's insistence that I spell like an American! Finally dawned on me to check for a British dictionary, and I found this! Brilliant!

favourite, colour, humour, honour, neighbour! YAY! No red lines! well, there's one under YAY, but you can't win them all!

Thanks again! Brilliant add on!

This review is for a previous version of the add-on (1.19.3).