I want some parts of a book rewritten (Private Project)

Hello, just a message to use up the required amount of characters haha. Anyway, I hope you will be pleased with what I have done.

Hello Sir, We are a small startup having expertise in the fields of Content Writing, Graphic designing, Video Editing, and Software Development. We have more than 5 years of experience in all the above fields. I read your proposal and am interested in your task. You can initiate a talk with me to let me understand more about your project.