"Hue" and "Saturation" Mode Names

[Krikor]

Hi rich2005,
I believe that in general the tutorial refers to the Hue_Saturation found in Colors - Hue - Saturation...

There is however a reference to layers when the tutorial talks about how to remove smudge under the eyes:

 "Duplicate the original layer, move the copy to the top of all layers. Set the layer mode of the moved layer to Hue to maintain the natural hue and colors of the picture. Duplicate the upper layer, set the layer mode of the duplicated layer to Saturation to maintain the natural saturation of colors in the picture."