diff --git a/chapter08/bash.xml b/chapter08/bash.xml
index 4ea981d5b..1dd020f28 100644
--- a/chapter08/bash.xml
+++ b/chapter08/bash.xml
@@ -87,6 +87,10 @@ lassign [wait] _ _ _ value
 exit $value
 EOF</userinput></screen>
 
+    <para>Several tests invoke the obsolete <command>egrep</command>
+    command and trigger a warning about the obsoletion.  These warnings
+    should be ignored.</para>
+
     <para>Install the package:</para>
 
 <screen><userinput remap="install">make install</userinput></screen>