郁闷，发现申请表上有个问题填错了！

怎么办？
will you have continuously resideed in HK for at least three years by your pro
posed commencement date of phd/mphil studies?
偶填了YES，理解成将来入学就要在HK呆三年。当时不甚明白，什么will什么have，结果问了一个黑高参。
咋办哪？要不要再写个mail解释？