diff --git a/mps/manual/wiki/pool_classes.html b/mps/manual/wiki/pool_classes.html
index d9a35ab02b6..9320bb44794 100644
--- a/mps/manual/wiki/pool_classes.html
+++ b/mps/manual/wiki/pool_classes.html
@@ -103,14 +103,14 @@ You need mps_class_lo.
        operating system I/O call.  It is not very fast.
        [Conversation with DRJ, 2006-07].</p>
     <p>(For a general-purpose leaf-only pool see AMCZ).</p>
-    <p>[Internal note: has a dummy chain]</p>
+    <p>[Internal note: has a dummy chain: 1MiB 20%]</p>
   </dd>
 
   <dt>mps_class_awl</dt>
   <dd>
     <p>For weak references, linked to normal references.
       See further AWL notes below.</p>
-    <p>[Internal note: has a dummy chain]</p>
+    <p>[Internal note: has a dummy chain: 2^32KiB 50%]</p>
   </dd>
 
 </dl>