Deconstructing Smite

The next time you hit with a melee weapon attack during this spell’s duration, your attack deals an extra 1d6 force damage. Additionally, if the target is a construct or a warforged, the damage increases to 2d6.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the extra damage increases by 1d6 for each slot level above 2nd.