Added a comment in the Desktop class

modules/juce_gui_basics/components/juce_Desktop.h

@@ -70,6 +70,8 @@ public:
 
     /** Makes the mouse pointer jump to a given location.
         The coordinates are relative to the top-left of the main monitor.
+        Note that this is a pretty old method, kept around mainly for backwards-compatibility,
+        and you should use the MouseInputSource class directly in new code.
     */
     static void setMousePosition (Point<int> newPosition);