Yes that is two vanillas listed because its not quite 2 tablespoons so it had to be broken up that way.

Preparation
Arrange oven rack in middle position and preheat oven to 350°F. Butter cake pans and line bottom of each with round of parchment. Butter paper, then dust pans with flour, knocking out excess.
In large bowl, whisk together flour, baking powder, and salt. In small bowl, combine milk and vanilla.
In bowl of electric mixer fitted with paddle attachment, beat together butter and sugar on moderate speed until light and fluffy, about 5 minutes. Reduce speed to low. Add 1/2 of flour mixture and beat until just combined. Add milk mixture and beat until just combined. Add remaining flour mixture and beat until just combined, then raise speed to moderately high and beat 10 seconds. Transfer to large bowl.
In clean bowl of electric mixer fitted with the whisk attachment, beat egg whites until they hold stiff peaks.
Fold 1/3 of egg whites into batter to lighten. Gently fold in remaining 2/3 of egg whites until just incorporated. Divide batter between prepared pans and smooth tops.
Bake