Minor copy updates

Author: BrianMitchL

src/sponsorship-opportunities.njk

@@ -29,10 +29,10 @@ layout: base
     </p>
     <div class="my-4 w-full flex justify-center px-4">
       <ul class="list-disc ml-4 list-outside space-y-4">
-        <li>Website: Link &amp; Logo on Home and Sponsor pages</li>
+        <li>Website: Link and logo on Home and Sponsor pages</li>
         <li>
           Meetups: Announcement of thanks by host with joint slide
-          representing other sponsors
+          representing other sponsors, and an opportunity to speak if present.
         </li>
       </ul>
     </div>