Right, and well done. Might cause you to think about the rule behind when to use "far less" and "far fewer".
Tipp: The rule has got do something with the reference of nouns.

Happy thinking!

I am just a simple non academic man and so i would explain to my students -more than one item or person-use few. Or part or a single item. Now there are some tricky exceptions-can you think of any?