MD-PhD Essay Humanization

I already drafted my “Why I want to pursue an MD/PhD” essay with AI assistance; it sits comfortably under 3,000 characters (spaces included). It sounds polished but it has been flagged as AI-generated, so I only need a human touch rather than a complete rewrite... (Budget: $30 - $250 CAD, Jobs: AI Content Editing, Article Rewriting, Content Writing, Creative Writing, Editing, Essay Writing, Proofreading, Research Writing)