diff --git a/index.html b/index.html
index 5245db4..90e406e 100644
--- a/index.html
+++ b/index.html
@@ -1448,6 +1448,8 @@ Location: https://dustycloud.org/likes/345
           For federated servers performing delivery to a 3rd party server,
           delivery SHOULD be performed asynchronously, and SHOULD additionally
           retry delivery to recipients if it fails due to network error.
+          Servers SHOULD also take care not to overload servers with
+          submissions, for example by using an exponential backoff strategy.
         </p>
 
         <p class="note" title="Relationship to Linked Data Notifications">