It says for Spearman (for example): +15 AT Mounted units (+7 Camels, +3 Cataphract, +0 Elite Cataphract), +30 AT Elephants, +1 AT bld
p.s. AT - Melee ATack: amount of melee (normal) damage a unit causes when attacking.
p.s. AT - Melee ATack: amount of melee (normal) damage a unit causes when attacking.