mention PySide as an option in Qt dependencies.

docs/source/install/install.txt

@@ -315,13 +315,14 IPython.zmq depends on pyzmq >= 2.1.4.
 Dependencies for ipython-qtconsole (new GUI)
 ============================================
 
-PyQt
-----
+Qt
+--
 
 Also with 0.11, a new GUI was added using the work in :mod:`IPython.zmq`,
-which can be launched with ``ipython-qtconsole``. The GUI is built on PyQt ,
-which can be installed from the 
-`PyQt website <http://www.riverbankcomputing.co.uk/>`_.
+which can be launched with ``ipython-qtconsole``. The GUI is built on Qt, and works
+with either PyQt, which can be installed from the 
+`PyQt website <http://www.riverbankcomputing.co.uk/>`_, or 
+`PySide <http://www.pyside.org/>`_, from Nokia.
 
 pygments
 --------