diff --git a/chapter08/procps.xml b/chapter08/procps.xml
index 5f3e5c6e6..9b014face 100644
--- a/chapter08/procps.xml
+++ b/chapter08/procps.xml
@@ -74,7 +74,10 @@
 
 <screen><userinput remap="test">make check</userinput></screen>
 
-    <para>One test in the "ps" tests is known to fail.</para>
+    <para>One test named
+    <literal>ps with output flag bsdtime,cputime,etime,etimes</literal>
+    is known to fail if the host kernel is not built with
+    <literal>CONFIG_BSD_PROCESS_ACCT</literal> enabled.</para>
 
     <para>Install the package:</para>