I took the LSAT in Sept and scored a 154, then retook in Dec and scored 169. During the Sept test I had a gigantic headache and couldn't concentrate and barely was able to read the RC section, turned out that I had a really bad sinus infection. Should I add an addendum for this? My 154 was way below my avg, but I did score better in December to better represent my capabilities. Does the increased 15pt score speak for itself?