diff --git a/rtdata/languages/default b/rtdata/languages/default
index 6909db081..a5c9976a4 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -920,20 +920,20 @@ MAIN_TAB_RAW;Raw
 MAIN_TAB_RAW_TOOLTIP;Shortcut: <b>Alt-r</b>
 MAIN_TAB_TRANSFORM;Transform
 MAIN_TAB_TRANSFORM_TOOLTIP;Shortcut: <b>Alt-t</b>
-MAIN_TOOLTIP_BACKCOLOR0;Background color of the preview: <b>Theme-based</b>\nShortcut: <b>9</b>
-MAIN_TOOLTIP_BACKCOLOR1;Background color of the preview: <b>Black</b>\nShortcut: <b>9</b>
-MAIN_TOOLTIP_BACKCOLOR2;Background color of the preview: <b>White</b>\nShortcut: <b>9</b>
-MAIN_TOOLTIP_BACKCOLOR3;Background color of the preview: <b>Middle grey</b>\nShortcut: <b>9</b>
+MAIN_TOOLTIP_BACKCOLOR0;Background color of the preview: <b>theme-based</b>\nShortcut: <b>9</b>
+MAIN_TOOLTIP_BACKCOLOR1;Background color of the preview: <b>black</b>\nShortcut: <b>9</b>
+MAIN_TOOLTIP_BACKCOLOR2;Background color of the preview: <b>white</b>\nShortcut: <b>9</b>
+MAIN_TOOLTIP_BACKCOLOR3;Background color of the preview: <b>middle grey</b>\nShortcut: <b>9</b>
 MAIN_TOOLTIP_BEFOREAFTERLOCK;<b>Lock</b> / <b>Unlock</b> the <b>Before</b> view\n\n<b>Lock</b>: keep the <b>Before</b> view unchanged.\nUseful to evaluate the cumulative effect of multiple tools.\nAdditionally, comparisons can be made to any state in the History.\n\n<b>Unlock</b>: the <b>Before</b> view will follow the <b>After</b> view one step behind, showing the image before the effect of the currently used tool.
 MAIN_TOOLTIP_HIDEHP;Show/Hide the left panel (including the history).\nShortcut: <b>l</b>
 MAIN_TOOLTIP_INDCLIPPEDH;Clipped highlight indication.\nShortcut: <b>&lt;</b>
 MAIN_TOOLTIP_INDCLIPPEDS;Clipped shadow indication.\nShortcut: <b>&gt;</b>
-MAIN_TOOLTIP_PREVIEWB;Preview the <b>Blue channel</b>.\nShortcut: <b>b</b>
-MAIN_TOOLTIP_PREVIEWFOCUSMASK;Preview the <b>Focus Mask</b>.\nShortcut: <b>Shift-f</b>\n\nMore accurate on images with shallow depth of field, low noise and at higher zoom levels.\n\nTo improve detection accuracy for noisy images evaluate at smaller zoom, about 10-30%.
-MAIN_TOOLTIP_PREVIEWG;Preview the <b>Green channel</b>.\nShortcut: <b>g</b>
-MAIN_TOOLTIP_PREVIEWL;Preview the <b>Luminosity</b>.\nShortcut: <b>v</b>\n\n0.299*R + 0.587*G + 0.114*B
-MAIN_TOOLTIP_PREVIEWR;Preview the <b>Red channel</b>.\nShortcut: <b>r</b>
-MAIN_TOOLTIP_PREVIEWSHARPMASK;Preview the <b>Sharpening Contrast Mask</b>.\nShortcut: <b>None</b>\n\nOnly works when sharpening is enabled and zoom >= 100%.
+MAIN_TOOLTIP_PREVIEWB;Preview the <b>blue channel</b>.\nShortcut: <b>b</b>
+MAIN_TOOLTIP_PREVIEWFOCUSMASK;Preview the <b>focus mask</b>.\nShortcut: <b>Shift-f</b>\n\nMore accurate on images with shallow depth of field, low noise and at higher zoom levels.\nZoom out to 10-30% to improve detection accuracy on noisy images.
+MAIN_TOOLTIP_PREVIEWG;Preview the <b>green channel</b>.\nShortcut: <b>g</b>
+MAIN_TOOLTIP_PREVIEWL;Preview the <b>luminosity</b>.\nShortcut: <b>v</b>\n\n0.299*R + 0.587*G + 0.114*B
+MAIN_TOOLTIP_PREVIEWR;Preview the <b>red channel</b>.\nShortcut: <b>r</b>
+MAIN_TOOLTIP_PREVIEWSHARPMASK;Preview the <b>sharpening contrast mask</b>.\nShortcut: <b>None</b>\n\nOnly works when sharpening is enabled and zoom >= 100%.
 MAIN_TOOLTIP_QINFO;Quick info on the image.\nShortcut: <b>i</b>
 MAIN_TOOLTIP_SHOWHIDELP1;Show/Hide the left panel.\nShortcut: <b>l</b>
 MAIN_TOOLTIP_SHOWHIDERP1;Show/Hide the right panel.\nShortcut: <b>Alt-l</b>
@@ -1306,8 +1306,8 @@ THRESHOLDSELECTOR_HINT;Hold the <b>Shift</b> key to move individual control poin
 THRESHOLDSELECTOR_T;Top
 THRESHOLDSELECTOR_TL;Top-left
 THRESHOLDSELECTOR_TR;Top-right
-TOOLBAR_TOOLTIP_COLORPICKER;Lockable Color Picker\n\nWhen enabled:\nClick in the preview with left mouse button to add a color picker\nDrag it around while pressing the left mouse button\nDelete the color picker with a right mouse button click\nDelete all color pickers with Shift + Right mouse button click\nRight click away from any color picker to go back to the Hand tool
-TOOLBAR_TOOLTIP_CROP;<b>Crop</b> selection.\nShortcut: <b>c</b>\nMove the crop area using <b>Shift-mouse drag</b>
+TOOLBAR_TOOLTIP_COLORPICKER;Lockable Color Picker\n\nWhen the tool is active:\n- Add a picker: <b>left-click</b>.\n- Drag a picker: <b>left-click and drag</b>.\n- Delete a picker: <b>right-click</b>.\n- Delete all pickers: <b>shift</b>+<b>right-click</b>.\n- Revert to hand tool: <b>right-click</b>.
+TOOLBAR_TOOLTIP_CROP;<b>Crop</b> selection.\nShortcut: <b>c</b>\nMove the crop area using <b>Shift</b>+<b>mouse drag</b>.
 TOOLBAR_TOOLTIP_HAND;Hand tool.\nShortcut: <b>h</b>
 TOOLBAR_TOOLTIP_STRAIGHTEN;<b>Straighten</b> / <b>fine rotation</b>.\nShortcut: <b>s</b>\n\nIndicate the vertical or horizontal by drawing a guide line over the image preview. Angle of rotation will be shown next to the guide line. Center of rotation is the geometrical center of the image.
 TOOLBAR_TOOLTIP_WB;Spot white balance.\nShortcut: <b>w</b>