Valor Bard's Extra Attack at 10th Level?

Hey!

I have a College of Valor Bard at 10th level.

At 6th level, I get "Extra Attack" which reads:

"You can attack twice instead of once whenever you take the Attack action on your turn.

In addition, you can cast one of your cantrips that has a casting time of an action in place of one of those attacks."

At 10th level, I did not see anything indicating I got a third attack, EXCEPT in the actions page of my character sheet, where it says "Attacks per Action: 3"

Do I actually get three attacks? Or is that a D&D Beyond bug? 

If I do get three attacks, can I still replace only one of them with a cantrip?

Thank you!!!

Looks like a D&D Beyond bug -- the only ways to get three attacks with the attack action are Fighter-11, Warlock-12 with thirsting blade, or two light weapons plus extra attack plus nick mastery (not available to a valor bard without multiclassing).