diff --git a/Documentation/README.html b/Documentation/README.html
index 7f84acddf67..00f85c25ad6 100644
--- a/Documentation/README.html
+++ b/Documentation/README.html
@@ -245,6 +245,8 @@
      |- interpreters/
      |   |- <a href="http://nuttx.svn.sourceforge.net/viewvc/nuttx/trunk/apps/interpreters/ficl/README.txt?view=log"><b><i>ficl/README.txt</i></b></a>
      |   `- <a href="http://nuttx.svn.sourceforge.net/viewvc/nuttx/trunk/apps/interpreters/README.txt?view=log"><b><i>README.txt</i></b></a>
+     |- modbus/
+     |   `- <a href="http://nuttx.svn.sourceforge.net/viewvc/nuttx/trunk/apps/modbus/README.txt?view=log"><b><i>README.txt</i></b></a>
      |- netutils/
      |   |   |- <a href="http://nuttx.svn.sourceforge.net/viewvc/nuttx/trunk/apps/netutils/ftpc/README.txt?view=log">ftpc/README.txt</a>
      |   |   |- <a href="http://nuttx.svn.sourceforge.net/viewvc/nuttx/trunk/apps/netutils/telnetd/README.txt?view=log">telnetd/README.txt</a>