diff --git a/src/documentation/content/xdocs/hdf/book.xml b/src/documentation/content/xdocs/hdf/book.xml
index 9ffea68ad..94ac3f736 100644
--- a/src/documentation/content/xdocs/hdf/book.xml
+++ b/src/documentation/content/xdocs/hdf/book.xml
@@ -1,19 +1,12 @@
 <?xml version="1.0"?>
 <!DOCTYPE book PUBLIC "-//APACHE//DTD Cocoon Documentation Book V1.0//EN" "../dtd/book-cocoon-v10.dtd">
-
-<book software="Poi Project"
-      title="HDF"
-      copyright="@year@ Poi Project">
-
-  <menu label="Jakarta Poi">
-    <menu-item label="Top" href="../index.html"/>
-  </menu>
-
-  <menu label="HDF">
-    <menu-item label="Overview" href="index.html"/>
-    <menu-item label="HDF Format" href="docoverview.html"/>
-  </menu>
-
+<book software="Poi Project" title="HDF" copyright="@year@ Poi Project">
+	<menu label="Jakarta Poi">
+		<menu-item label="Top" href="../index.html"/>
+	</menu>
+	<menu label="HWPF">
+		<menu-item label="Overview" href="index.html"/>
+		<menu-item label="HWPF Format" href="docoverview.html"/>
+		<menu-item label="HWPF Project plan" href="projectplan.html"/>
+	</menu>
 </book>
-
-