Index: en_US.ISO8859-1/books/handbook/config/chapter.xml
===================================================================
--- en_US.ISO8859-1/books/handbook/config/chapter.xml
+++ en_US.ISO8859-1/books/handbook/config/chapter.xml
@@ -1202,6 +1202,13 @@
 ifconfig_fxp0_alias5="inet 202.0.75.18 netmask 255.255.255.255"
 ifconfig_fxp0_alias6="inet 202.0.75.19 netmask 255.255.255.255"
 ifconfig_fxp0_alias7="inet 202.0.75.20 netmask 255.255.255.255"</programlisting>
+
+    <para>A simpler way to express this is with a space-separated list
+      of IP address ranges.  The first address will be given the
+      indicated subnet mask and the additional addresses will have a
+      subnet mask of 255.255.255.255.</para>
+
+    <programlisting>ifconfig_fxp0_aliases="inet 10.1.1.1-5/24 inet 202.0.75.17-20/28"</programlisting>
   </sect1>
 
   <sect1 xml:id="configtuning-syslog">