1 files changed, 22 insertions, 3 deletions

diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 66e4a05509..a1d2c78449 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -211,7 +211,7 @@
     </para>
 </section>
 
-<section id='ref-classes-bin-package.bbclass'>
+<section id='ref-classes-bin-package'>
     <title><filename>bin_package.bbclass</filename></title>
 
     <para>
@@ -234,7 +234,7 @@
     </para>
 </section>
 
-<section id='ref-classes-blacklist.bbclass'>
+<section id='ref-classes-blacklist'>
     <title><filename>blacklist.bbclass</filename></title>
 
     <para>
@@ -256,7 +256,26 @@
     </para>
 </section>
 
-<section id='ref-classes-bootimg.bbclass'>
+<section id='ref-classes-boot-directdisk'>
+    <title><filename>boot-directdisk.bbclass</filename></title>
+
+    <para>
+        The boot direct disk (<filename>boot-directdisk</filename>) class
+        creates an image that can be placed directly onto a hard disk using
+        <filename>dd</filename> and then booted.
+        The image uses SYSLINUX.
+    </para>
+
+    <para>
+        The end result is a 512 boot sector populated with a
+        Master Boot Record (MBR) and partition table followed by an MSDOS
+        FAT16 partition containing SYSLINUX and a Linux kernel completed by
+        the <filename>ext2</filename> and <filename>ext3</filename>
+        root filesystems.
+    </para>
+</section>
+
+<section id='ref-classes-bootimg'>
     <title><filename>bootimg.bbclass</filename></title>
 
     <para>