diff --git a/rtdata/languages/Francais b/rtdata/languages/Francais
index e6aae15b5..ff11c80f8 100644
--- a/rtdata/languages/Francais
+++ b/rtdata/languages/Francais
@@ -1869,6 +1869,7 @@ TP_LOCALLAB_CURVENSOB2;Combined HueChroma + Contrast threshold (experimental)
 TP_LOCALLAB_CURVNONE;Désactive courbes
 TP_LOCALLAB_DARKRETI;Obscuirité
 TP_LOCALLAB_DEHAFRA;Elimination de la brume
+TP_LOCALLAB_DEHAZFRAME_TOOLTIP;Élimine la brume atmosphérique. Augmente généralement la saturation et les détails. \ N Peut supprimer les dominantes de couleur, mais peut également introduire une dominante bleue qui peut être corrigée à l'aide d'autres outils.
 TP_LOCALLAB_DEHAZ;Force
 TP_LOCALLAB_DEHAZ_TOOLTIP;Valeurs Négatives ajoute de la brume
 TP_LOCALLAB_DELTAD;Delta balance
@@ -2169,6 +2170,7 @@ TP_LOCALLAB_RETI;De-brume - Retinex Fort contraste
 TP_LOCALLAB_RETIFRA;Retinex
 TP_LOCALLAB_RETIM;Original Retinex
 TP_LOCALLAB_RETITOOLFRA;Retinex Outils
+TP_LOCALLAB_RETIFRAME_TOOLTIP; L'utilisation de Retinex peut être bénéfique pour le traitement des images: \ nqui sont floues, brumeuses ou ayant un voile de brouillard (en complément de Dehaz). \ Navec d'importants écarts de luminance. \ N où l'utilisateur recherche des effets spéciaux (cartographie des tons…)
 TP_LOCALLAB_RETI_FFTW_TOOLTIP;FFT améliore la qualité et autorise de grands rayons, mais accroît les temps de traitement.\nCe temps dépends de la surface traitée\nLe temps de traitements dépend de "scale" (échelle) (soyez prudent avec les hautes valeurs ).\nA utiliser de préférence avec de grand rayons.\n\nLes Dimensions peuvent être réduites de quelques pixels pour optimiser FFTW.\nCette optimisation peut réduire le temps de traitement d'un facteur de 1.5 à 10.\nOptimisation pas utilsée en prévisualisation
 TP_LOCALLAB_RETI_LIGHTDARK_TOOLTIP;Have no effect when the value "Lightness = 1" or "Darkness =2" is chosen.\nIn other cases, the last step of "Multiple scale Retinex" is applied an algorithm close to "local contrast", these 2 cursors, associated with "Strength" will allow to play upstream on the local contrast.
 TP_LOCALLAB_RETI_LIMDOFFS_TOOLTIP;Play on internal parameters to optimize response.\nLook at the "restored datas" indicators "near" min=0 and max=32768 (log mode), but others values are possible. 
diff --git a/rtdata/languages/default b/rtdata/languages/default
index ca66fb2ce..b13decd13 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -2430,7 +2430,8 @@ TP_LOCALLAB_CURVNONE;Disable curves
 TP_LOCALLAB_DARKRETI;Darkness
 TP_LOCALLAB_DEHAFRA;Dehaze
 TP_LOCALLAB_DEHAZ;Strength
-TP_LOCALLAB_DEHAZ_TOOLTIP;Negative values adds haze
+TP_LOCALLAB_DEHAZ_TOOLTIP;Negative values add haze
+TP_LOCALLAB_DEHAZFRAME_TOOLTIP;Removes atmospheric haze. Increases overall saturation and detail.\nCan remove color casts, but may also introduce a blue cast which can be corrected with other tools.
 TP_LOCALLAB_DELTAD;Delta balance
 TP_LOCALLAB_DELTAEC;ΔE Image mask
 TP_LOCALLAB_DENOIS;Ψ Denoise
@@ -2461,7 +2462,7 @@ TP_LOCALLAB_ENH;Enhanced
 TP_LOCALLAB_ENHDEN;Enhanced + chroma denoise
 TP_LOCALLAB_EPSBL;Detail
 TP_LOCALLAB_EQUIL;Normalize Luminance
-TP_LOCALLAB_EQUILTM_TOOLTIP;Reconstruct luminance so that the mean and the variance of the output image is identical to that of the original.
+TP_LOCALLAB_EQUILTM_TOOLTIP;Reconstruct luminance so that the mean and variance of the output image are identical to those of the original.
 TP_LOCALLAB_ESTOP;Edge stopping
 TP_LOCALLAB_EV_DUPL;Copy of
 TP_LOCALLAB_EV_NVIS;Hide
@@ -2548,7 +2549,7 @@ TP_LOCALLAB_GUIDBL;Soft radius
 TP_LOCALLAB_GUIDBL_TOOLTIP;Applies a guided filter with adjustable radius. Allows you to reduce artifacts or blur the image.
 TP_LOCALLAB_GUIDEPSBL_TOOLTIP;Changes the distribution function of the guided filter. Negative values simulate a Gaussian blur.
 TP_LOCALLAB_GUIDFILTER;Guided filter radius
-TP_LOCALLAB_GUIDFILTER_TOOLTIP;Adapt this values according to images - can reduce or increase artifacts.
+TP_LOCALLAB_GUIDFILTER_TOOLTIP;Can reduce or increase artifacts.
 TP_LOCALLAB_GUIDSTRBL_TOOLTIP;Intensity of the guided filter
 TP_LOCALLAB_HHMASK_TOOLTIP;Fine hue adjustments for example for the skin.
 TP_LOCALLAB_HIGHMASKCOL;Highlights
@@ -2573,7 +2574,7 @@ TP_LOCALLAB_LAPMASKCOL;Laplacian threshold
 TP_LOCALLAB_LAPRAD_TOOLTIP;Avoid using “Smooth radius” and “Laplacian threshold” (advanced) together.\nSmooth radius uses a guided filter to decrease artifacts and smooth out the transition
 TP_LOCALLAB_LAPRAD1_TOOLTIP;Avoid using “Smooth radius” and “Laplacian threshold” (advanced) together.\nTransforms the mask to eliminate values lower than the threshold.\nReduces artifacts and noise, and allows local contrast to be modified.
 TP_LOCALLAB_LAP_MASK_TOOLTIP;Solve PDE for all Laplacian masks.\nIf enabled Laplacian threshold mask reduce artifacts and smooth result.\nIf disabled linear response. 
-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_LC_FFTW_TOOLTIP;FFT improves quality and allows the use of large radii, but increases processing time (depends on the area to be processed). Preferable to use only for large radii. Dimensions of the area can be reduced by a few pixels to optimize the FFTW. This can reduce the processing time by a factor of 1.5 to 10.
 TP_LOCALLAB_LC_TOOLNAME;Local Contrast & Wavelets - 7
 TP_LOCALLAB_LEVELBLUR;Maximum blur levels
 TP_LOCALLAB_LEVELLOCCONTRAST_TOOLTIP;On the abscissa local contrast (near concept luminance). On the ordinate, amplification or reduction local contrast.
@@ -2668,7 +2669,7 @@ TP_LOCALLAB_MERTWE;Exclusion
 TP_LOCALLAB_MERTWO;Subtract
 TP_LOCALLAB_METHOD_TOOLTIP;'Enhanced + chroma denoise' significantly increases processing times.\nBut reduce artifacts.
 TP_LOCALLAB_MLABEL;Restored data Min=%1 Max=%2 (Clip - Offset)
-TP_LOCALLAB_MLABEL_TOOLTIP;'Should be' near min=0 max=32768 (log mode) but others values are possible.\nYou can act on Clip Restored datas and Offset to normalize.\n\nRestored image with no mixture.
+TP_LOCALLAB_MLABEL_TOOLTIP;The values should be close to Min=0 Max=32768 (log mode) but other values are possible.You can adjust ‘Clip restored data (gain)’ and ‘Offset’ to normalize.\nRecovers image data without blending.
 TP_LOCALLAB_MODE_EXPERT;Advanced
 TP_LOCALLAB_MODE_NORMAL;Standard
 TP_LOCALLAB_MODE_SIMPLE;Basic
@@ -2731,14 +2732,15 @@ TP_LOCALLAB_RESIDSHA;Shadows
 TP_LOCALLAB_RESIDSHATHR;Shadows threshold
 TP_LOCALLAB_RETI;Dehaze & Retinex
 TP_LOCALLAB_RETIFRA;Retinex
+TP_LOCALLAB_RETIFRAME_TOOLTIP;Retinex can be useful for processing images: \nthat are blurred, foggy or hazy (in addition to Dehaze).\nthat contain large differences in luminance.\nIt can also be used for special effects (tone mapping).
 TP_LOCALLAB_RETIM;Original Retinex
 TP_LOCALLAB_RETITOOLFRA;Retinex Tools
 TP_LOCALLAB_RETI_FFTW_TOOLTIP;FFT improve quality and allow big radius, but increases the treatment time.\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 1.5 to 10.\nOptimization not used in Preview
-TP_LOCALLAB_RETI_LIGHTDARK_TOOLTIP;Have no effect when the value "Lightness = 1" or "Darkness =2" is chosen.\nIn other cases, the last step of "Multiple scale Retinex" is applied an algorithm close to "local contrast", these 2 cursors, associated with "Strength" will allow to play upstream on the local contrast.
-TP_LOCALLAB_RETI_LIMDOFFS_TOOLTIP;Play on internal parameters to optimize response.\nLook at the "restored datas" indicators "near" min=0 and max=32768 (log mode), but others values are possible. 
-TP_LOCALLAB_RETI_LOGLIN_TOOLTIP;Logarithm allows differenciation for haze or normal.\nLogarithm brings more contrast but will generate more halo.
-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_RETI_SCALE_TOOLTIP;If scale=1, retinex behaves like local contrast with many more possibilities.\nThe greater the scale, the more intense the recursive action, the longer the calculation times
+TP_LOCALLAB_RETI_LIGHTDARK_TOOLTIP;Has no effect when the value of "Lightness = 1" or "Darkness =2".\nFor other values, the last step of a "Multiple scale Retinex" algorithm (similar to "local contrast") is applied. These 2 cursors, associated with "Strength" allow you to make adjustments upstream of local contrast
+TP_LOCALLAB_RETI_LIMDOFFS_TOOLTIP;Adjusts the internal parameters to optimize the response.\nPreferable to keep the "Restored data" values close to Min=0 and Max=32768 (log mode), but other values are possible.  
+TP_LOCALLAB_RETI_LOGLIN_TOOLTIP;Logarithm mode introduces more contrast but will also generate more halos.
+TP_LOCALLAB_RETI_NEIGH_VART_TOOLTIP;The radius and variance sliders allow you adjust haze and target either the foreground or the background.
+TP_LOCALLAB_RETI_SCALE_TOOLTIP;If Scale=1, Retinex behaves like local contrast with additional possibilities.\nIncreasing the value of Scale increases the intensity of the recursive action at the expense of processing time. 
 TP_LOCALLAB_RET_TOOLNAME;Dehaze & Retinex - 9
 TP_LOCALLAB_REWEI;Reweighting iterates
 TP_LOCALLAB_RGB;RGB Tone Curve
@@ -2857,7 +2859,7 @@ TP_LOCALLAB_THRESRETI;Threshold
 TP_LOCALLAB_THRESWAV;Balance threshold
 TP_LOCALLAB_TLABEL;TM Data Min=%1 Max=%2 Mean=%3 Sigma=%4 (Threshold)
 TP_LOCALLAB_TLABEL2;TM Effective Tm=%1 TM=%2
-TP_LOCALLAB_TLABEL_TOOLTIP;Transmission map result.\nMin and Max are used by Variance.\nTm=Min TM=Max of Transmission Map.\nYou can act on Threshold to normalize
+TP_LOCALLAB_TLABEL_TOOLTIP;Transmission map result.\nMin and Max are used by Variance.\nTm=Min TM=Max of Transmission Map.\nYou can normalize the results with the threshold slider.
 TP_LOCALLAB_TM;Tone Mapping
 TP_LOCALLAB_TM_MASK;Use transmission map
 TP_LOCALLAB_TOOLMASK_TOOLTIP;Structure mask (slider) with the checkbox "Structure mask as tool" checked: in this case a mask showing the structure will be generated after one or more of the 2 curves L(L) or LC(H) has been modified.\n Here, the "Structure mask" behaves like the other Mask tools : Gamma, Slope, etc.\n It allows you to vary the action on the mask according to the structure of the image.
@@ -2879,7 +2881,7 @@ TP_LOCALLAB_TRANSITWEAK_TOOLTIP;Adjust transition decay function: 1 linear , 2 p
 TP_LOCALLAB_TRANSIT_TOOLTIP;Adjust smoothness of transition between affected and unaffected areas, as a percentage of the "radius" 
 TP_LOCALLAB_TRANSMISSIONGAIN;Transmission gain
 TP_LOCALLAB_TRANSMISSIONMAP;Transmission map
-TP_LOCALLAB_TRANSMISSION_TOOLTIP;Transmission according to transmission.\nAbscissa: transmission from negative values (min), mean, and positives values (max).\nOrdinate: amplification or reduction.\nYou can act on this curve to change Transmission and reduce the artifacts
+TP_LOCALLAB_TRANSMISSION_TOOLTIP;Transmission according to transmission.\nAbscissa: transmission from negative values (min), mean, and positive values (max).\nOrdinate: amplification or reduction.\nYou can adjust this curve to change the Transmission and reduce artifacts
 TP_LOCALLAB_USEMASK;Use mask
 TP_LOCALLAB_VART;Variance (contrast)
 TP_LOCALLAB_VIBRANCE;Vibrance & Warm/Cool
@@ -2925,7 +2927,7 @@ TP_LOCAL_HEIGHT;Bottom
 TP_LOCAL_HEIGHT_T;Top
 TP_LOCAL_WIDTH;Right
 TP_LOCAL_WIDTH_L;Left
-TP_LOCRETI_METHOD_TOOLTIP;Low = Reinforce low light.\nUniform = Equalize action.\nHigh = Reinforce high light.\n
+TP_LOCRETI_METHOD_TOOLTIP;Low = Reinforce low light.\nUniform = Evenly distributed.\nHigh = Reinforce strong light.\n
 TP_METADATA_EDIT;Apply modifications
 TP_METADATA_MODE;Metadata copy mode
 TP_METADATA_STRIP;Strip all metadata
@@ -3103,7 +3105,7 @@ TP_RETINEX_FREEGAMMA;Free gamma
 TP_RETINEX_GAIN;Gain
 TP_RETINEX_GAINOFFS;Gain and Offset (brightness)
 TP_RETINEX_GAINTRANSMISSION;Gain transmission
-TP_RETINEX_GAINTRANSMISSION_TOOLTIP;Amplify or reduce the transmission map to achieve the desired luminance.\nThe x-axis is the transmission.\nThe y-axis is the gain.
+TP_RETINEX_GAINTRANSMISSION_TOOLTIP;Increase or reduce the transmission map to achieve the desired luminance. The x-axis is the transmission. The y-axis is the gain.
 TP_RETINEX_GAMMA;Gamma
 TP_RETINEX_GAMMA_FREE;Free
 TP_RETINEX_GAMMA_HIGH;High
@@ -3138,7 +3140,7 @@ TP_RETINEX_MEDIAN;Transmission median filter
 TP_RETINEX_METHOD;Method
 TP_RETINEX_METHOD_TOOLTIP;Low = Reinforce low light.\nUniform = Equalize action.\nHigh = Reinforce high light.\nHighlights = Remove magenta in highlights.
 TP_RETINEX_MLABEL;Restored data Min=%1 Max=%2
-TP_RETINEX_MLABEL_TOOLTIP;'Should be' near min=0 max=32768 (log mode) but others values are possible\nRestored image with no mixture.
+TP_RETINEX_MLABEL_TOOLTIP;The values should be close to Min=0 Max=32768 (log mode) but other values are possible.You can adjust ‘Clip restored data (gain)’ and ‘Offset’ to normalize.\nRecovers image data without blending
 TP_RETINEX_NEIGHBOR;Radius
 TP_RETINEX_NEUTRAL;Reset
 TP_RETINEX_NEUTRAL_TIP;Reset all sliders and curves to their default values.
@@ -3153,7 +3155,7 @@ TP_RETINEX_THRESHOLD;Threshold
 TP_RETINEX_THRESHOLD_TOOLTIP;Limits in/out.\nIn = image source,\nOut = image gauss.
 TP_RETINEX_TLABEL;TM Datas Min=%1 Max=%2 Mean=%3 Sigma=%4
 TP_RETINEX_TLABEL2;TM Effective Tm=%1 TM=%2
-TP_RETINEX_TLABEL_TOOLTIP;Transmission map result.\nMin and Max are used by Variance.\nTm=Min TM=Max of Transmission Map.
+TP_RETINEX_TLABEL_TOOLTIP;ransmission map result.\nMin and Max are used by Variance.\nTm=Min TM=Max of Transmission Map.\nYou can normalize the results with the threshold slider.
 TP_RETINEX_TRANF;Transmission
 TP_RETINEX_TRANSMISSION;Transmission map 
 TP_RETINEX_TRANSMISSION_TOOLTIP;Transmission according to transmission.\nAbscissa: transmission from negative values (min), mean, and positives values (max).\nOrdinate: amplification or reduction.
diff --git a/rtgui/locallabtools.h b/rtgui/locallabtools.h
index 29a8ca066..4ae593225 100644
--- a/rtgui/locallabtools.h
+++ b/rtgui/locallabtools.h
@@ -824,6 +824,7 @@ class LocallabRetinex:
 {
 private:
     // Retinex specific widgets
+    Gtk::Frame* const dehaFrame;
     Adjuster* const dehaz;
     Adjuster* const depth;
     Gtk::CheckButton* const lumonly;
diff --git a/rtgui/locallabtools2.cc b/rtgui/locallabtools2.cc
index 9bc1b01ca..55e3fab08 100644
--- a/rtgui/locallabtools2.cc
+++ b/rtgui/locallabtools2.cc
@@ -683,6 +683,7 @@ LocallabRetinex::LocallabRetinex():
     LocallabTool(this, M("TP_LOCALLAB_RET_TOOLNAME"), M("TP_LOCALLAB_RETI"), true),
 
     // Retinex specific widgets
+    dehaFrame(Gtk::manage(new Gtk::Frame(M("TP_LOCALLAB_DEHAFRA")))),
     dehaz(Gtk::manage(new Adjuster(M("TP_LOCALLAB_DEHAZ"), -100, 100, 1, 0))),
     depth(Gtk::manage(new Adjuster(M("TP_LOCALLAB_DEPTH"), 0, 100, 1, 25))),
     lumonly(Gtk::manage(new Gtk::CheckButton(M("TP_LOCALLAB_LUMONLY")))),
@@ -733,7 +734,6 @@ LocallabRetinex::LocallabRetinex():
     const LocallabParams::LocallabSpot defSpot;
 
     // Parameter Retinex specific widgets
-    dehaz->set_tooltip_text(M("TP_LOCALLAB_DEHAZ_TOOLTIP"));
     dehaz->setAdjusterListener(this);
 
     depth->setAdjusterListener(this);
@@ -860,7 +860,7 @@ LocallabRetinex::LocallabRetinex():
 
     // Add Retinex specific widgets to GUI
     ToolParamBlock* const auxBox = Gtk::manage(new ToolParamBlock());
-    Gtk::Frame* const dehaFrame = Gtk::manage(new Gtk::Frame(M("TP_LOCALLAB_DEHAFRA")));
+//    Gtk::Frame* const dehaFrame = Gtk::manage(new Gtk::Frame(M("TP_LOCALLAB_DEHAFRA")));
     dehaFrame->set_label_align(0.025, 0.5);
     ToolParamBlock* const dehaBox = Gtk::manage(new ToolParamBlock());
     dehaBox->pack_start(*dehaz);
@@ -975,9 +975,12 @@ void LocallabRetinex::getMaskView(int &colorMask, int &colorMaskinv, int &expMas
 void LocallabRetinex::updateAdviceTooltips(const bool showTooltips)
 {
     if (showTooltips) {
+        dehaFrame->set_tooltip_text(M("TP_LOCALLAB_DEHAZFRAME_TOOLTIP"));
+        dehaz->set_tooltip_text(M("TP_LOCALLAB_DEHAZ_TOOLTIP"));
+        retiFrame->set_tooltip_text(M("TP_LOCALLAB_RETIFRAME_TOOLTIP"));
         loglin->set_tooltip_text(M("TP_LOCALLAB_RETI_LOGLIN_TOOLTIP"));
         sensih->set_tooltip_text(M("TP_LOCALLAB_SENSI_TOOLTIP"));
-        fftwreti->set_tooltip_text(M("TP_LOCALLAB_RETI_FFTW_TOOLTIP"));
+        fftwreti->set_tooltip_text(M("TP_LOCALLAB_LC_FFTW_TOOLTIP"));
         equilret->set_tooltip_text(M("TP_LOCALLAB_EQUILTM_TOOLTIP"));
         neigh->set_tooltip_text(M("TP_LOCALLAB_RETI_NEIGH_VART_TOOLTIP"));
         vart->set_tooltip_text(M("TP_LOCALLAB_RETI_NEIGH_VART_TOOLTIP"));
@@ -991,6 +994,7 @@ void LocallabRetinex::updateAdviceTooltips(const bool showTooltips)
         cTtransshape->setTooltip(M("TP_LOCALLAB_TRANSMISSION_TOOLTIP"));
         mMLabels->set_tooltip_markup(M("TP_LOCALLAB_MLABEL_TOOLTIP"));
         transLabels->set_tooltip_markup(M("TP_LOCALLAB_TLABEL_TOOLTIP"));
+        transLabels2->set_tooltip_markup(M("TP_LOCALLAB_TLABEL_TOOLTIP"));
         cTgainshape->setTooltip(M("TP_RETINEX_GAINTRANSMISSION_TOOLTIP"));
         expmaskreti->set_tooltip_markup(M("TP_LOCALLAB_MASK_TOOLTIP"));
         enaretiMasktmap->set_tooltip_markup(M("TP_LOCALLAB_ENARETIMASKTMAP_TOOLTIP"));
@@ -1008,6 +1012,9 @@ void LocallabRetinex::updateAdviceTooltips(const bool showTooltips)
         lapmaskreti->set_tooltip_text(M("TP_LOCALLAB_LAPRAD1_TOOLTIP"));
 
     } else {
+        dehaFrame->set_tooltip_text("");
+        dehaz->set_tooltip_text("");
+        retiFrame->set_tooltip_text("");
         loglin->set_tooltip_text("");
         sensih->set_tooltip_text("");
         fftwreti->set_tooltip_text("");
@@ -1024,6 +1031,7 @@ void LocallabRetinex::updateAdviceTooltips(const bool showTooltips)
         cTtransshape->setTooltip("");
         mMLabels->set_tooltip_markup("");
         transLabels->set_tooltip_markup("");
+        transLabels2->set_tooltip_markup("");
         cTgainshape->setTooltip("");
         expmaskreti->set_tooltip_markup("");
         enaretiMasktmap->set_tooltip_markup("");