diff --git a/docs/configuration_file_basics.xml b/docs/configuration_file_basics.xml
index bd73253cd..2d449b7f3 100644
--- a/docs/configuration_file_basics.xml
+++ b/docs/configuration_file_basics.xml
@@ -824,7 +824,7 @@ DNAT { source=net dest=loc:10.0.0.1 proto=tcp dport=80 mark=88 }</programlisting
     which the address itself is enclosed in square brackets:</para>
 
     <simplelist>
-      <member>[ 2001:227:e857:1::1]</member>
+      <member>[2001:227:e857:1::1]</member>
 
       <member>[2001:227:e857:1:0:0:0:0:1]/64</member>
     </simplelist>