Update banner text to make it even more inviting (#2190)

libs/openchallenges/home/src/lib/home.component.html

@@ -3,14 +3,14 @@
     <h4>Welcome to OpenChallenges!</h4>
     <h3>This website uses a preview snapshot of the OpenChallenges (OC) Database</h3>
     <h4>
-      We are working hard to update the OC Database with more data in the upcoming months, and we
-      need your help! We encourage organizations and participants to
+      Contribute to the OC Database and help us make it even better! We invite organizations and
+      participants to
       <a
         href="https://docs.google.com/forms/d/e/1FAIpQLSdLZ6C5ZIzLZS147bmvNm2eJ3kq_88ecHS7ADjD4KaapGhO8g/viewform"
         target="_blank"
         >submit new challenges</a>
-        and update existing ones. This will help ensure that organization profiles are complete and
-        that OC users can access accurate and up-to-date challenge resources.
+        and update existing ones. This will ensure that organization profiles are complete and OC
+        users have access to accurate and up-to-date resources.
     </h4>
   </div>
   <openchallenges-challenge-search/>