forgot to git add the extra explanation in last commit

about/donations.xml

@@ -17,7 +17,9 @@
  <section title="How do I renew my membership?">
      <p>
        <strong>Note:</strong> For the Fall 2020 term, you do not need to pay
-       the $2 fee to renew your membership.
+       the $2 fee to renew your membership.  We will extend the membership of
+       all members who had already paid their fee for Fall 2020 by one term,
+       as we did for Spring 2020.
      </p>
      <p>If you are already a member of the CSC and want to renew your membership,
         you can do so by coming in person to our office, or you may pay online.