The context of the following conversation is Tracy's assay was vague and simple, so Sydney changed it for the better to help Tracy get a better grade.:
Tracy says I just finished my essay last weekend..
The friend responds All by yourself? That is impressive!.
Tracy responds I had some help, Sydney edited it to make it more complex and detailed..
The friend responds That is very kind of him..
Tracy responds Yes it was. I am confident that I will score a good grade..
The friend responds All  the best with your tests..