Cosmetic fixes

[libs/gl.git] / source / effects / colorcurve.h

diff --git a/source/effects/colorcurve.h b/source/effects/colorcurve.h
index e34834aa4e72bf83311b8b9bc41fd657c1d2ba83..ee19a56f3835fadb225b56e48016d4f23b272f1a 100644 (file)
--- a/source/effects/colorcurve.h
+++ b/source/effects/colorcurve.h
@@ -58,7 +58,9 @@ public:
        image, negative values darken it.  Zero is neutral. */
        void set_exposure_adjust(float);
 
-       /** Sets the exponent of the */
+       /** Sets the exponent of the brightness response curve.  It must be greater
+       than zero and at most one.  A value of one gives a linear response; closer
+       to zero results in a more gentle curve. */
        void set_brightness_response(float);
 
        /** Sets the gamma value used for mapping output colors.  Allowed range is