Improved Healing (3.5e Feat)
From D&D Wiki
Improved healing [General]
give you extra healing on healing spells base on you caster level
Prerequisite: healing dominion(if you are a cleric) or have a healing spell(if you are not a cleric), character level of 3,practiced spell caster
Benefit: you gain +1 per caster level to you healing spells.