diff --git a/documentation/areaDetectorReleaseNotes.html b/documentation/areaDetectorReleaseNotes.html
index c146cef..4a5d608 100755
--- a/documentation/areaDetectorReleaseNotes.html
+++ b/documentation/areaDetectorReleaseNotes.html
@@ -59,6 +59,8 @@
             <li>FrameStartTriggerEvent: Edge or level of signal to use for trigger.</li>
             <li>FrameStartTriggerOverlap: Trigger handling when the previous frame is incomplete.</li>
             <li>FrameStartTriggerSoftware: Software trigger when TriggerMode=Software.</li>
+            <li>PacketSize: Ethernet packet size. Can set a value larger than 1504 for jumbo frames,
+              and read back the actual value in use.</li>
           </ul>
         </li>
         <li>Firewire Windows driver. Added READOUT_TIME parameter. The sum of the AcquireTime