Translation

変更する / 修正する / 変える

Meaning

Alter means to change something, especially by making a small or specific adjustment. It is a verb. Do not confuse it with altar, a noun meaning a sacred table or place used in religious ceremonies.

Examples

• 予定を少し変更する必要があります。
  We need to alter the schedule slightly.
• 彼女はジャケットの袖丈を直してもらいました。
  She had the sleeves of her jacket altered.