diff --git a/FAQ b/FAQ
index 4c4b7648f7..5c6a2a7368 100644
--- a/FAQ
+++ b/FAQ
@@ -54,6 +54,9 @@ A: Linux threads each show up as a process under ps. The approximate number of
    memory used is not cumulative; if each process is using 10M of memory, only a
    total of 10M is used.
 
+   Newer versions of Linux's ps command hide the individual threads and require -L
+   to display them.
+
 Q: Why does BIND 9 log "permission denied" errors accessing its configuration
    files or zones on my Linux system even though it is running as root?
 
diff --git a/FAQ.xml b/FAQ.xml
index 0826ead71e..221ef87707 100644
--- a/FAQ.xml
+++ b/FAQ.xml
@@ -17,7 +17,7 @@
  - PERFORMANCE OF THIS SOFTWARE.
 -->
 
-<!-- $Id: FAQ.xml,v 1.11 2006/02/23 22:29:28 marka Exp $ -->
+<!-- $Id: FAQ.xml,v 1.12 2006/02/27 21:08:42 marka Exp $ -->
 
 <article class="faq">
   <title>Frequently Asked Questions about BIND 9</title>
@@ -125,6 +125,10 @@ example.com. 86400 IN SOA ns hostmaster ( 1 3600 1800 1814400 3600 )</programlis
 	  is not cumulative; if each process is using 10M of memory,
 	  only a total of 10M is used.
 	</para>
+	<para>
+	  Newer versions of Linux's ps command hide the individual threads
+	  and require -L to display them.
+	</para>
       </answer>
     </qandaentry>