DOC: add link to qgis interface on windows first steps page

Documentation/Cookbook/rst/First_Step_Windows.rst

@@ -4,7 +4,7 @@ In order to run properly, you need to make sure you installed the required syste
 Important Note
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-Monteverdi has been removed in OTB >= 9 version, you can use QGIS which is now the default viewer for launching OTB applications
+Monteverdi has been removed in OTB >= 9 version, you can use QGIS which is now the default viewer for launching OTB applications (see :doc:`QGISInterface` )
 
 Installation of required dependencies
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