Where does Fire Elemental, Small gets +4 to attack

[Letric]

http://www.d20pfsrd.com/bestiary/monster-listings/outsiders/elemental/eleme ntal-fire/small-fire-elemental

Melee slam +4 (1d4 plus burn)

Str 10, Dex 13, Con 10, Int 4, Wis 11, Cha 11

Base Atk +2

Feats Dodge, Improved InitiativeB, Weapon FinesseB

2 from BAB, 1 from DEX (Weapon Finesse), where is the other +1 coming from?

[Nargemn]

Small size increases your attack by 1 as well.

[Jurassic Pratt]

Letric wrote:

http://www.d20pfsrd.com/bestiary/monster-listings/outsiders/elemental/eleme ntal-fire/small-fire-elemental

Melee slam +4 (1d4 plus burn)

Str 10, Dex 13, Con 10, Int 4, Wis 11, Cha 11

Base Atk +2

Feats Dodge, Improved InitiativeB, Weapon FinesseB

2 from BAB, 1 from DEX (Weapon Finesse), where is the other +1 coming from?

Probably a +1 size bonus for being small.

[Letric]

Jurassic Pratt wrote:

Letric wrote:

http://www.d20pfsrd.com/bestiary/monster-listings/outsiders/elemental/eleme ntal-fire/small-fire-elemental

Melee slam +4 (1d4 plus burn)

Str 10, Dex 13, Con 10, Int 4, Wis 11, Cha 11

Base Atk +2

Feats Dodge, Improved InitiativeB, Weapon FinesseB

2 from BAB, 1 from DEX (Weapon Finesse), where is the other +1 coming from?

Probably a +1 size bonus for being small.

Damn, didn't even consider it! Thanks guys