diff --git a/xep-0268.xml b/xep-0268.xml
index 1c10be7f..b7f7b77d 100644
--- a/xep-0268.xml
+++ b/xep-0268.xml
@@ -150,7 +150,7 @@
     </tr>
     <tr>
       <td>&lt;source/&gt;</td>
-      <td>The IP address (optionally including port) and JabberID where the incident originated (multiple instance of each source type can be included).</td>
+      <td>The IPv4 or IPv6 address (optionally including port) and JabberID where the incident originated (multiple instance of each source type can be included).</td>
     </tr>
     <tr>
       <td>&lt;text/&gt;</td>