diff --git a/rtdata/languages/default b/rtdata/languages/default
index fb4857b09..9efd1e29d 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -2237,8 +2237,8 @@ TP_LOCALLAB_CONTFRA;Contrast by Level
 TP_LOCALLAB_CONTRAST;Contrast
 TP_LOCALLAB_CONTRESID;Contrast
 TP_LOCALLAB_CONTTHR;Contrast Threshold
-TP_LOCALLAB_CSTHRESHOLD;Wavelets Levels
-TP_LOCALLAB_CSTHRESHOLDBLUR;Mask Wavelet level
+TP_LOCALLAB_CSTHRESHOLD;Ψ Wavelets Levels 
+TP_LOCALLAB_CSTHRESHOLDBLUR;Ψ Mask Wavelet level
 TP_LOCALLAB_CURV;Lightness - Contrast - Chrominance "Super"
 TP_LOCALLAB_CURVCURR;Normal
 TP_LOCALLAB_CURVEEDITOR_CC_TOOLTIP;If curves at the top, mask is completely black no transformation is made by the mask on the image.\nAs you go down the curve, the mask gradually more colorful and brilliant, the image is changing more and more 
@@ -2256,7 +2256,7 @@ TP_LOCALLAB_DEHAFRA;Dehaze
 TP_LOCALLAB_DEHAZ;Strength
 TP_LOCALLAB_DEHAZ_TOOLTIP;Negative values add haze
 TP_LOCALLAB_DELTAEC;Mask ΔE Image
-TP_LOCALLAB_DENOIS;Denoise
+TP_LOCALLAB_DENOIS;Ψ Denoise
 TP_LOCALLAB_DEPTH;Depth 
 TP_LOCALLAB_DETAIL;Detail (Guided Filter)
 TP_LOCALLAB_DETAILSH;Details
@@ -2304,7 +2304,7 @@ TP_LOCALLAB_FATRES;Amount Residual Image
 TP_LOCALLAB_FATSHFRA;Dynamic Range Compression Mask
 TP_LOCALLAB_FEATH_TOOLTIP;Gradient width in percent of the Spot diagonal\n..
 TP_LOCALLAB_FEATVALUE;Feather gradient
-TP_LOCALLAB_FFTCOL_MASK;FFTW (to test ?)
+TP_LOCALLAB_FFTCOL_MASK;FFTW
 TP_LOCALLAB_FFTW;Use Fast Fourier Transform
 TP_LOCALLAB_FFTW2;Use Fast Fourier Transform (TIF, JPG,..)
 TP_LOCALLAB_FFTWBLUR;Always Use Fast Fourier Transform
@@ -2352,7 +2352,7 @@ TP_LOCALLAB_LAPMASKCOL;∆ - Laplacian threshold mask
 TP_LOCALLAB_LAPRAD_TOOLTIP;Avoid using Radius and Laplace Threshold simultaneously
 TP_LOCALLAB_LC_FFTW_TOOLTIP;FFT improve quality and allow big radius, but increases the treatment time.\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 1.5 to 10.\n
 TP_LOCALLAB_LEVELBLUR;Maximum Blur levels
-TP_LOCALLAB_LEVELWAV;Wavelets Levels
+TP_LOCALLAB_LEVELWAV;Ψ Wavelets Levels
 TP_LOCALLAB_LEVELWAV_TOOLTIP;The Level is automatically adapted to the size of the spot and the preview.\nFrom level 9 size max 512 to level 1 size max = 4
 TP_LOCALLAB_LIGHTNESS;Lightness
 TP_LOCALLAB_LIGHTRETI;Lightness
@@ -2360,8 +2360,8 @@ TP_LOCALLAB_LINEAR;Linearity
 TP_LOCALLAB_LMASK_LEVEL_TOOLTIP;Give priority to action on midtones and high lights and by choosing the concerned wavelet levels
 TP_LOCALLAB_LMASK_LL_TOOLTIP;Give priority to action on midtones and high lights
 TP_LOCALLAB_LOCCONT;Unsharp Mask
-TP_LOCALLAB_LOC_CONTRAST;Local contrast & Wavelet Pyramid
-TP_LOCALLAB_LOC_CONTRASTPYR;Wavelet Pyramid
+TP_LOCALLAB_LOC_CONTRAST;Local contrast & Wavelet Pyramid Ψ 
+TP_LOCALLAB_LOC_CONTRASTPYR;Ψ Wavelet Pyramid
 TP_LOCALLAB_LOG;Encoding log
 TP_LOCALLAB_LOGAUTO;Automatic
 TP_LOCALLAB_LOGFRA;Source Gray Point
@@ -2588,18 +2588,18 @@ TP_LOCALLAB_USEMASK;Use mask
 TP_LOCALLAB_VART;Variance (contrast)
 TP_LOCALLAB_VIBRANCE;Vibrance
 TP_LOCALLAB_VIS_TOOLTIP;<b>Click</b> to show/hide selected Control Spot.\n<b>Ctrl</b>+<b>click</b> to show/hide all Control Spot.
-TP_LOCALLAB_WAMASKCOL;Mask Wavelet level
+TP_LOCALLAB_WAMASKCOL;Ψ Mask Wavelet level
 TP_LOCALLAB_WARM;Warm - Cool & Color artifacts
 TP_LOCALLAB_WARM_TOOLTIP;This slider use Ciecam algorithm and acts as White Balance, it can warm or cool the area selected.\nIt can also in some cases reduce color artifacts.
 TP_LOCALLAB_WAV;Levels local contrast
 TP_LOCALLAB_WAVCOMP;Compression by Level
 TP_LOCALLAB_WAVCON;Contrast by Level
-TP_LOCALLAB_WAVE;Wavelet
-TP_LOCALLAB_WAVHIGH;Wavelet high
+TP_LOCALLAB_WAVE;Ψ Wavelet
+TP_LOCALLAB_WAVHIGH;Ψ Wavelet high
 TP_LOCALLAB_WAVLEV;Blur by Level
-TP_LOCALLAB_WAVLOW;Wavelet low
-TP_LOCALLAB_WAVMASK;Mask Levels local contrast
-TP_LOCALLAB_WAVMED;Wavelet normal
+TP_LOCALLAB_WAVLOW;Ψ Wavelet low
+TP_LOCALLAB_WAVMASK;Ψ Mask Levels local contrast
+TP_LOCALLAB_WAVMED;Ψ Wavelet normal
 TP_LOCALLAB_WEDIANHI;Median Hi
 TP_LOCALLAB_WHITE_EV;White Ev
 TP_LOCAL_HEIGHT;Bottom
diff --git a/rtgui/locallab.cc b/rtgui/locallab.cc
index 7d011f0c7..bcda0bc98 100644
--- a/rtgui/locallab.cc
+++ b/rtgui/locallab.cc
@@ -3,7 +3,7 @@
  *
  *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>frame
  *
- *F
+ *
  *
  *  RawTherapee is free software: you can redistribute it and/or modify
  *  RawTherapee is free software: you can redistribute it and/or modify
@@ -227,8 +227,9 @@ Locallab::Locallab():
     expreti(Gtk::manage(new MyExpander(true, Gtk::manage(new Gtk::HBox())))),
     expretitools(Gtk::manage(new MyExpander(false, M("TP_LOCALLAB_EXPRETITOOLS")))),
     expsharp(Gtk::manage(new MyExpander(true, Gtk::manage(new Gtk::HBox())))),
-    expcontrastpyr(Gtk::manage(new MyExpander(false, M("TP_LOCALLAB_LOC_CONTRASTPYR")))),
-    expcontrast(Gtk::manage(new MyExpander(true, M("TP_LOCALLAB_LOC_CONTRAST")))),
+//    expcontrastpyr(Gtk::manage(new MyExpander(false, M("TP_LOCALLAB_LOC_CONTRASTPYR")))),
+    expcontrastpyr(Gtk::manage(new MyExpander(false, Gtk::manage(new Gtk::HBox())))),
+    expcontrast(Gtk::manage(new MyExpander(true,M("TP_LOCALLAB_LOC_CONTRAST")))),
     expcbdl(Gtk::manage(new MyExpander(true, Gtk::manage(new Gtk::HBox())))),
     expdenoi(Gtk::manage(new MyExpander(true, Gtk::manage(new Gtk::HBox())))),
     explog(Gtk::manage(new MyExpander(true, M("TP_LOCALLAB_LOG")))),
@@ -972,7 +973,7 @@ pe(nullptr)
 
         float R, G, B;
 
-        for (int i = 0; i < 7; ++i)
+        for (int i = 0; i < 6; ++i)
         {
             const float x = static_cast<float>(i) * (1.f / 6.f);
             Color::hsv2rgb01(x, 0.5f, 0.5f, R, G, B);
@@ -2920,6 +2921,15 @@ pe(nullptr)
     compBox->pack_start(*fatres);
     compFrame->add(*compBox);
 
+    Gtk::HBox* const LCTitleHBox = Gtk::manage(new Gtk::HBox());
+    Gtk::Label* const LCLabel = Gtk::manage(new Gtk::Label());
+//    RTImage* const LCImage2 = Gtk::manage(new RTImage("wavelets.png"));
+    LCLabel->set_markup(Glib::ustring("<b>") + escapeHtmlChars(M("TP_LOCALLAB_LOC_CONTRASTPYR")) + Glib::ustring("</b>"));
+    LCLabel->set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
+//    LCTitleHBox->pack_start(*LCImage2, Gtk::PACK_SHRINK, 0);
+    LCTitleHBox->pack_start(*LCLabel, Gtk::PACK_EXPAND_WIDGET, 0);
+    expcontrastpyr->setLabel(LCTitleHBox);
+
     setExpandAlignProperties(expcontrastpyr, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_START);
     expcontrastpyr->signal_button_release_event().connect_notify(sigc::bind(sigc::mem_fun(this, &Locallab::foldAllButMe), expcontrastpyr));
     expcontrastpyr->setLevel(2);
@@ -3181,7 +3191,7 @@ pe(nullptr)
     BLLabel->set_alignment(Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
     BLTitleHBox->pack_start(*BLLabel, Gtk::PACK_EXPAND_WIDGET, 0);
     RTImage* const BLImage = Gtk::manage(new RTImage("one-to-one-small.png"));
-
+    
     if (showtooltip) {
         BLImage->set_tooltip_text(M("TP_GENERAL_11SCALE_TOOLTIP"));
     }