改正

改正	gǎi zhèng	to correct / to amend / to put right / correction / CL:个
改	gǎi	to change / to alter / to transform / to correct
正	zhēng	first month of the lunar year
正	zhèng	straight / upright / proper / main / principal / to correct / to rectify / exactly / just (at that time) / right (in that place) / (math.) positive