diff --git a/docs/blacklisting_support.xml b/docs/blacklisting_support.xml
index 333b296e8..2d3361a58 100644
--- a/docs/blacklisting_support.xml
+++ b/docs/blacklisting_support.xml
@@ -94,6 +94,30 @@ DROP            net:81.21.54.100        all                     tcp     25
 DROP            net:84.108.168.139      all                             
 DROP            net:200.55.14.18        all
 </programlisting>
+
+    <para>If you prefer to keep your blacklist rules in a separate file,
+    then:</para>
+
+    <itemizedlist>
+      <listitem>
+        <para>create the separate file.</para>
+      </listitem>
+
+      <listitem>
+        <para>copy the column headings from your rules file to the new
+        file.</para>
+      </listitem>
+
+      <listitem>
+        <para>enter your blacklist rules into the new file.</para>
+      </listitem>
+
+      <listitem>
+        <para>in the BLACKLIST section of your rules file, enter:</para>
+
+        <programlisting>INCLUDE <replaceable>name-of-new-file</replaceable></programlisting>
+      </listitem>
+    </itemizedlist>
   </section>
 
   <section>