diff --git a/xep-0045.xml b/xep-0045.xml
index 3fffbf1d..86750872 100644
--- a/xep-0045.xml
+++ b/xep-0045.xml
@@ -4523,7 +4523,7 @@
     <p>Public MUC rooms can be subject to a number of attacks, most of which reduce to denial of service attacks. Such attacks include but are not limited to:</p>
     <ol>
       <li>Stuffing the room with a large number of illegitimate occupants and therefore preventing legitimate users from joining the room.</li>
-      <li>Sending abusive messages and then leaving the room before a kick or ban can be applied.</li>
+      <li>Sending abusive messages and then leaving the room before a kick or ban can be applied; such abusive messages include but are not limited to large messages that prevent participants from following the conversation thread or room history, personal attacks on participants (especially room administrators and moderators), offensive text, and links to spam sites.</li>
       <li>Making rapid and repeated presence changes.</li>
       <li>Using long nicknames to route around lack of voice.</li>
       <li>Abusing the room administrators or other room occupants.</li>