I got an 81/100 for this paper but I want to bring it up to at least a B+. Pleas

I got an 81/100 for this paper but I want to bring it up to at least a B+. Please just revise it and do not add any other sources. I have attached an image file of the rubric and breakdown of my grade and the feedback from the professor. Please revise it according to the rubric and the professor’s feedback.