diff --git a/docs/zk2kraft.html b/docs/zk2kraft.html
index f85b59b3bdc..123aaca4e18 100644
--- a/docs/zk2kraft.html
+++ b/docs/zk2kraft.html
@@ -176,5 +176,17 @@
                 Kafka remove all zookeeper dependencies, so the metrics is removed.
             </p>
         </li>
+        <li>
+            <p>
+                Remove the metrics which is monitoring requests waiting in the topic purgatory
+            </p>
+            <ul>
+                <li><code>kafka.server:type=DelayedOperationPurgatory,name=PurgatorySize,delayedOperation=topic</code></li>
+                <li><code>kafka.server:type=DelayedOperationPurgatory,name=NumDelayedOperations,delayedOperation=topic</code></li>
+            </ul>
+            <p>
+                In Kraft mode, Zookeeper is not used, so the metrics is removed.
+            </p>
+        </li>
     </ul>
 </div>
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