I noticed multiple times that japonais is lowercase. Is this a French rule or just a typo by Duolingo?
all nationalities begin with lower case letters in French. e.g français, japonais, belge...
I think most romance languages are like this. I don't know why but I would just assume it's because French is a romance language. Hope someone can explain it better to you/knows the reason why.
my Japanese dog is different from my dog is Japanese...the dictation was "my dog is Japanese