Fix markup.

Doc/faq/gui.rst

@@ -49,7 +49,7 @@ Qt
 
 There are bindings available for the Qt toolkit (using either `PyQt
 <http://www.riverbankcomputing.co.uk/software/pyqt/>`_ or `PySide
-<http://www.pyside.org/>`_) and for KDE (`PyKDE http://www.riverbankcomputing.co.uk/software/pykde/intro>`__).
+<http://www.pyside.org/>`_) and for KDE (`PyKDE <http://www.riverbankcomputing.co.uk/software/pykde/intro>`_).
 PyQt is currently more mature than PySide, but you must buy a PyQt license from
 `Riverbank Computing <http://www.riverbankcomputing.co.uk/software/pyqt/license>`_
 if you want to write proprietary applications.  PySide is free for all applications.