If he wants to make any changes ,minor alternations can be made then.
如果他有什么意见的话,我们还可以对计划稍加修改.
alteration:a change to something that makes it different 改变;变化
major/minor alterations 大/小改变
They are making some alterations to the house. 他们对这栋房子在做一些改动.
an alteration in the baby's heartbeat 这婴儿心搏的变化