Fix link to UIO.
@@ -173,7 +173,7 @@ software needs to execute on a different processor architecture.
.. _SWIG: http://www.swig.org/
-.. _UIO framework: https://www.kernel.org/doc/htmldocs/uio-howto/about.html
+.. _UIO framework: https://www.kernel.org/doc/html/latest/driver-api/uio-howto.html
.. _QEMU: http://wiki.qemu.org/Main_Page
