added some copy:

src/registrar/templates/domain_renewal.html

@@ -23,7 +23,8 @@
   {{ block.super }}
   <div class="margin-top-4 tablet:grid-col-10">
     <h2 class="text-bold text-primary-dark domain-name-wrap">Confirm the following information for accuracy</h2>
-    <p>Review these dets</p>
+    <p>Review these details below and update any out-of-date information.</p>
+    <p>If you would like to retire your domain instead, please contact us</p>
      <p>   Required fields
     </p>
     </div>