Hello
As a former English professor, I've read more Masters and PHd dissertations than I care to count. Nothing makes a person appreciate proper spelling, punctuation, and grammar better than having to slog through hundreds of pages of opaque prose. On the whetstone of acedemia, I've honed my proofreading skills to the point that I can pierce even the most impenetrable paragraph. At a glance, I can spot ten mistakes and correct them before the average person has seen one. It's what I've spent my time doing and naturally what I've become good at. With my English teaching background, not only do I correct mistakes, but I can recite the rules governing each correction by heart the same way a poetry connoisseur can recite Shakespeare.
Hire me to proofread your project and I'll be like Gandalf shouting "You shall not pass!" to the incoming Balrog of bad grammar.
Best Regards