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@@ -34,7 +34,7 @@ Recommended Reading
* `USB in a Nutshell <http://www.beyondlogic.org/usbnutshell/usb1.shtml>`_, an overview from Beyond Logic
* `USB made simple <http://www.usbmadesimple.co.uk/>`_, an illustrated series of articles on USB
-* The `USB 2.0 Specification <http://www.usb.org/developers/docs/>`_ (`direct link <http://www.usb.org/developers/docs/usb_20_021411.zip>`_)
+* The `USB 2.0 Specification <http://www.usb.org/developers/docs/>`_ (`direct link <http://www.usb.org/developers/docs/usb_20_070113.zip>`_)
* `Embedded USB - a brief tutorial <http://www.computer-solutions.co.uk/info/Embedded_tutorials/usb_tutorial.htm>`_
* `Wikipedia article on Universal Serial Bus (USB) <http://en.wikipedia.org/wiki/Universal_Serial_Bus>`_
* Linux Kernel documentation for `USB ACM <http://www.kernel.org/doc/Documentation/usb/acm.txt>`_ and `USB Serial <http://www.kernel.org/doc/Documentation/usb/usb-serial.txt>`_