Additional Inofrmation- Common App.. Help!

<p>There is a section that says:</p>

<p>"Please provide an answer below if you wish to provide details of circumstances or qualifications not reflected in the application. You may enter up to 650 words."</p>

<p>Should I use this space to describe why there was a sudden drop in my grades this year? I wrote a response to it, but I haven't submitted it yet.. </p>

<p>Bump- this is important!</p>