diff --git a/docs/LennyToSqueeze.xml b/docs/LennyToSqueeze.xml
index 9d2b556b9..22c80952e 100644
--- a/docs/LennyToSqueeze.xml
+++ b/docs/LennyToSqueeze.xml
@@ -182,6 +182,15 @@
   <section id="Issues">
     <title>Issues Most Likely to Cause Problems or Concerns</title>
 
+    <section>
+      <title>Simple Traffic Shaping on AMD64</title>
+
+      <para>As of this data (Feb 12, 2011), output rate limiting with Simple
+      Traffic Shaping doesn't work on AMD64 systems. Outbound traffic drops to
+      a crawl and does not recover. This appears to be a kernel issue
+      introduced after kernel 2.6.26.</para>
+    </section>
+
     <section id="conf">
       <title>shorewall.conf</title>