Acid Spray

You hurl a jet of acid. Make an attack roll against a creature within range. On a hit the target takes 1d8 acid damage and if a creature is within 5 feet of your target they must succeed on a Dexterity saving throw or take half that damage. 

At Higher Levels.

This spells damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8) and 17th level (4d8).