--- a/README	Thu Feb 26 14:40:37 2015 +0200
+++ b/README	Thu Feb 26 14:48:35 2015 +0200
@@ -31,15 +31,15 @@
 
     $ bin/pvl.hosts-dhcp etc/hosts/test
     host foo {
-            option host-name               "foo";
-            hardware ethernet              00:11:22:33:44:55;
-            fixed-address                  127.0.0.1;
+        option host-name foo;
+        hardware ethernet 00:11:22:33:44:55;
+        fixed-address 127.0.0.1;
     }
 
     host bar {
-            option host-name               "bar";
-            hardware ethernet              01:23:45:67:89:ab;
-            fixed-address                  127.0.0.2;
+        option host-name bar;
+        hardware ethernet 01:23:45:67:89:ab;
+        fixed-address 127.0.0.2;
     }
 
 === Generated hosts ===
@@ -81,3 +81,31 @@
     245.0.0                           CNAME 245.240/29.0.0.10.in-addr.arpa.
     246.0.0                           CNAME 246.240/29.0.0.10.in-addr.arpa.
     247.0.0                           CNAME 247.240/29.0.0.10.in-addr.arpa.
+
+=== DHCP Options ===
+The hosts need not specify any fixed ip address, leaving IP address allocation to dhcpd:
+
+    [foo]
+        ethernet    = 00:11:22:33:44:55 
+    
+    $ bin/pvl.hosts-dhcp etc/hosts/dhcp1 
+    host foo {
+        option host-name foo;
+        hardware ethernet 00:11:22:33:44:55;
+    }
+
+=== DHCP Boot options ===
+The hosts can specify DHCP boot server/file options:
+
+    [foo]
+        ethernet    = 00:11:22:33:44:55
+        boot        = boot.lan:debian/wheezy/pxelinux.0
+
+    $ bin/pvl.hosts-dhcp etc/hosts/boot.dhcp 
+    host foo {
+        option host-name foo;
+        hardware ethernet 00:11:22:33:44:55;
+        next-server boot.lan;
+        filename debian/wheezy/pxelinux.0;
+    }
+