diff --git a/docs/configuration_file_basics.xml b/docs/configuration_file_basics.xml
index 6402c25a9..ff53a8d34 100644
--- a/docs/configuration_file_basics.xml
+++ b/docs/configuration_file_basics.xml
@@ -122,8 +122,9 @@
         </listitem>
 
         <listitem>
-          <para><filename>/etc/shorewall/tcrules </filename>- defines marking
-          of packets for later use by traffic control/shaping or policy
+          <para><filename>/etc/shorewall/tcrules </filename>- The file has a
+          rather unfortunate name because it is used to define marking of
+          packets for later use by both traffic control/shaping and policy
           routing.</para>
         </listitem>