Minor comment addition

modules/juce_gui_basics/widgets/juce_TableListBox.h

@@ -56,6 +56,9 @@ public:
 
         The graphics context has its origin at the row's top-left, and your method
         should fill the area specified by the width and height parameters.
+
+        Note that the rowNumber value may be greater than the number of rows in your
+        list, so be careful that you don't assume it's less than getNumRows().
     */
     virtual void paintRowBackground (Graphics&,
                                      int rowNumber,