diff --git a/rtdata/languages/default b/rtdata/languages/default
index 13cbe64f5..f528ba714 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -2203,8 +2203,8 @@ TP_LOCALLAB_DEHAFRA;Dehaze
 TP_LOCALLAB_RETIFRA;Retinex
 TP_LOCALLAB_RETI;Dehaze - Retinex Strong local contrast
 TP_LOCALLAB_RETI_NEIGH_VART_TOOLTIP;Adapt these values according to images - if misty images and depending on whether you want to act on the front or the background
-TP_LOCALLAB_LC_FFTW_TOOLTIP;FFT improve quality and allow big radius.\nThe treatment time depends on the surface to be treated.\nTo be used preferably for large radius.\n\nDimensions can be reduced by a few pixels to optimize FFTW.
-TP_LOCALLAB_RETI_FFTW_TOOLTIP;FFT improve quality and allow big radius.\nThe treatment time depends on the surface to be treated\nThe treatment time depends on the value of scale (be carefull to high values).\nTo be used preferably for large radius.\n\nDimensions can be reduced by a few pixels to optimize FFTW.\nThis optimization is not possible if the 2 delimiters of the Spot (vertical or horizontal) are outside the image
+TP_LOCALLAB_LC_FFTW_TOOLTIP;FFT improve quality and allow big radius.\nThe treatment time depends on the surface to be treated.\nTo be used preferably for large radius.\n\nDimensions can be reduced by a few pixels to optimize FFTW.\nThis optimization can reduce the treatment time by a factor of 2 to 10.\nThis optimization is not possible if 2 delimiters of the Spot (1 vertical and 1 horizontal on four) are outside the image.
+TP_LOCALLAB_RETI_FFTW_TOOLTIP;FFT improve quality and allow big radius.\nThe treatment time depends on the surface to be treated\nThe treatment time depends on the value of scale (be carefull to high values).\nTo be used preferably for large radius.\n\nDimensions can be reduced by a few pixels to optimize FFTW.\nThis optimization can reduce the treatment time by a factor of 2 to 10.\nThis optimization is not possible if 2 delimiters of the Spot (1 vertical and 1 horizontal on four) are outside the image
 TP_LOCALLAB_TRANSMISSIONGAIN;Transmission gain
 TP_LOCALLAB_STREN;Compression Strength
 TP_LOCALLAB_STRGRID;Strength
diff --git a/rtgui/locallab.cc b/rtgui/locallab.cc
index 7584d1a58..bef14d57b 100644
--- a/rtgui/locallab.cc
+++ b/rtgui/locallab.cc
@@ -278,7 +278,7 @@ Locallab::Locallab():
     chromaskreti(Gtk::manage(new Adjuster(M("TP_LOCALLAB_CHROMASKCOL"), -100.0, 100.0, 0.1, 0.))),
     gammaskreti(Gtk::manage(new Adjuster(M("TP_LOCALLAB_GAMMASKCOL"), 0.05, 5.0, 0.01, 1.))),
     slomaskreti(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SLOMASKCOL"), 0.0, 15.0, 0.1, 0.))),
-    scalereti(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SCALERETI"), 1.0, 10.0, 1., 3.))),
+    scalereti(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SCALERETI"), 1.0, 10.0, 1., 2.))),
     darkness(Gtk::manage(new Adjuster(M("TP_LOCALLAB_DARKRETI"), 0.01, 4.0, 0.01, 2.0))),
     lightnessreti(Gtk::manage(new Adjuster(M("TP_LOCALLAB_LIGHTRETI"), 0.01, 3.0, 0.01, 1.))),
     limd(Gtk::manage(new Adjuster(M("TP_LOCALLAB_THRESRETI"), 1.2, 100.0, 0.1, 8.))),