Mark that the certificate generation takes a significant amount of time

templates/profile.html

@@ -157,7 +157,7 @@ $(function() {
             %endif
             
           %elif certificate_state['state'] == "generating":
-            <a href="#">Certificate is being generated...</a>
+            <a href="#">Certificate is being generated. Please check back in 24 hours.</a>
           %else:
             <a href="#">No certificate available</a>
           %endif