diff --git a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
index 81f0414593..177776fa62 100644
--- a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
@@ -2622,34 +2622,34 @@ Exports list on foobar:
 	    <hostid>corbieres</hostid> uses <acronym>PXE</acronym>:</para>
 
           <programlisting>
-          default-lease-time 600;
-          max-lease-time 7200;
-          authoritative;
+default-lease-time 600;
+max-lease-time 7200;
+authoritative;
 
-          option domain-name "example.com";
-          option domain-name-servers 192.168.4.1;
-          option routers 192.168.4.1;
+option domain-name "example.com";
+option domain-name-servers 192.168.4.1;
+option routers 192.168.4.1;
 
-          subnet 192.168.4.0 netmask 255.255.255.0 {
-            use-host-decl-names on; <co id="co-dhcp-host-name">
-            option subnet-mask 255.255.255.0;
-            option broadcast-address 192.168.4.255;
+subnet 192.168.4.0 netmask 255.255.255.0 {
+  use-host-decl-names on; <co id="co-dhcp-host-name">
+  option subnet-mask 255.255.255.0;
+  option broadcast-address 192.168.4.255;
 
-            host margaux {
-              hardware ethernet 01:23:45:67:89:ab;
-              fixed-address margaux.example.com;
-              next-server 192.168.4.4; <co id="co-dhcp-next-server">
-              filename "/data/misc/kernel.diskless"; <co id="co-dhcp-filename">
-              option root-path "192.168.4.4:/data/misc/diskless"; <co id="co-dhcp-root-path">
-            }
-            host corbieres {
-              hardware ethernet 00:02:b3:27:62:df;
-              fixed-address corbieres.example.com;
-              next-server 192.168.4.4;
-              filename "pxeboot";
-              option root-path "192.168.4.4:/data/misc/diskless";
-            }
-          }
+  host margaux {
+    hardware ethernet 01:23:45:67:89:ab;
+    fixed-address margaux.example.com;
+    next-server 192.168.4.4; <co id="co-dhcp-next-server">
+    filename "/data/misc/kernel.diskless"; <co id="co-dhcp-filename">
+    option root-path "192.168.4.4:/data/misc/diskless"; <co id="co-dhcp-root-path">
+  }
+  host corbieres {
+    hardware ethernet 00:02:b3:27:62:df;
+    fixed-address corbieres.example.com;
+    next-server 192.168.4.4;
+    filename "pxeboot";
+    option root-path "192.168.4.4:/data/misc/diskless";
+  }
+}
           </programlisting>
 
 	  <calloutlist>
@@ -2721,16 +2721,16 @@ Exports list on foobar:
 	    that it exists in the base system.</para>
 
           <programlisting>
-          .def100:\
-            :hn:ht=1:sa=192.168.4.4:vm=rfc1048:\
-            :sm=255.255.255.0:\
-            :ds=192.168.4.1:\
-            :gw=192.168.4.1:\
-            :hd="/tftpboot":\
-            :bf="/kernel.diskless":\
-            :rp="192.168.4.4:/data/misc/diskless":
+.def100:\
+  :hn:ht=1:sa=192.168.4.4:vm=rfc1048:\
+  :sm=255.255.255.0:\
+  :ds=192.168.4.1:\
+  :gw=192.168.4.1:\
+  :hd="/tftpboot":\
+  :bf="/kernel.diskless":\
+  :rp="192.168.4.4:/data/misc/diskless":
 
-          margaux:ha=0123456789ab:tc=.def100
+margaux:ha=0123456789ab:tc=.def100
           </programlisting>
       </sect3>
 
@@ -2777,7 +2777,7 @@ Exports list on foobar:
 	  type:</para>
 
 	<screen>
-	  &prompt.root; <userinput>gmake bin32/<replaceable>devicetype</replaceable>.fd0</userinput>
+&prompt.root; <userinput>gmake bin32/<replaceable>devicetype</replaceable>.fd0</userinput>
 	</screen>
 
 	<para><replaceable>devicetype</replaceable> depends on the type of
@@ -2899,8 +2899,8 @@ Exports list on foobar:
 	  with the following options (in addition to the usual ones):</para>
 
 	<programlisting>
-          options     BOOTP          # Use BOOTP to obtain IP address/hostname
-          options     BOOTP_NFSROOT  # NFS mount root filesystem using BOOTP info
+options     BOOTP          # Use BOOTP to obtain IP address/hostname
+options     BOOTP_NFSROOT  # NFS mount root filesystem using BOOTP info
 	</programlisting>
 
 	<para>You may also want to use <literal>BOOTP_NFSV3</literal>,
@@ -3029,15 +3029,15 @@ cd /usr/src/etc; make distribution</programlisting>
 	  <step><para>Add the following lines to
 	  <filename>dhcpd.conf</filename>:</para>
 	    <programlisting>
-              # Global section
-              option swap-path code 128 = string;
-              option swap-size code 129 = integer 32;
+# Global section
+option swap-path code 128 = string;
+option swap-size code 129 = integer 32;
 
-              host margaux {
-                ... # Standard lines, see above
-                option swap-path <replaceable>"192.168.4.4:/netswapvolume/netswap"</replaceable>;
-                option swap-size <replaceable>64000</replaceable>;
-              }
+host margaux {
+  ... # Standard lines, see above
+  option swap-path <replaceable>"192.168.4.4:/netswapvolume/netswap"</replaceable>;
+  option swap-size <replaceable>64000</replaceable>;
+}
 	    </programlisting>
 
 	    <para><literal>swap-path</literal> is the path to a directory
@@ -3060,10 +3060,10 @@ cd /usr/src/etc; make distribution</programlisting>
 	    <para>On the <acronym>NFS</acronym> swap file server, create the swap
 	    file(s)</para>
             <screen>
-              &prompt.root; <userinput>mkdir <replaceable>/netswapvolume/netswap</replaceable></userinput>
-              &prompt.root; <userinput>cd <replaceable>/netswapvolume/netswap</replaceable></userinput>
-              &prompt.root; <userinput>dd if=/dev/zero bs=1024 count=<replaceable>64000</replaceable> of=swap.<replaceable>192.168.4.6</replaceable></userinput>
-              &prompt.root; <userinput>chmod 0600 swap.<replaceable>192.168.4.6</replaceable></userinput>
+&prompt.root; <userinput>mkdir <replaceable>/netswapvolume/netswap</replaceable></userinput>
+&prompt.root; <userinput>cd <replaceable>/netswapvolume/netswap</replaceable></userinput>
+&prompt.root; <userinput>dd if=/dev/zero bs=1024 count=<replaceable>64000</replaceable> of=swap.<replaceable>192.168.4.6</replaceable></userinput>
+&prompt.root; <userinput>chmod 0600 swap.<replaceable>192.168.4.6</replaceable></userinput>
             </screen>
 	    <para><replaceable>192.168.4.6</replaceable> is the IP address
 	      for the diskless client.</para>
@@ -3073,7 +3073,7 @@ cd /usr/src/etc; make distribution</programlisting>
 	    <para>On the <acronym>NFS</acronym> swap file server, add the following line to
 	    <filename>/etc/exports</filename>:</para>
 	    <programlisting>
-	      <replaceable>/netswapvolume</replaceable>  -maproot=0:10 -alldirs <replaceable>margaux corbieres</replaceable>
+<replaceable>/netswapvolume</replaceable>  -maproot=0:10 -alldirs <replaceable>margaux corbieres</replaceable>
 	    </programlisting>
 	    <para>Then tell <application>mountd</application> to reread the
 		exports file, as above.</para>