And, just to walk into the trap, a missing comma; failure to capitalize first person singular pronoun; misspelled "supposed."
That draft of your undergraduate thesis is sent back with extreme prejudice.
See, I'd hoped that @tanstaafl72555's post #81 referred to me, but then I got to the part where he said his interlocutor wasn't a "speling natzi" (sic) and I had to give up my aspirations.
Learn something new everyday...