It will hurt but you have to move on. You have to show them that it is PAST. Try to end your addendum with a positive note such as "After xxx, I finished school with a 4.0/4.0 GPA" or "I finished my last two semesters in college with straight A's."
... . The only reason why my grade is a 3.92 is ... another. They took every grade as a "P" grade, which means it ... 'd be lucky if my grade was above 3.25 haha ...
But, it's a triumphant death after OP gets up every morning for 2 weeks at 5 am and rides his bike across town to doctor on it and who has to console the grade schoolers who are in tears who have adopted it as a class pet....