Fix #6408: Improve wording of the dragging signal distance tooltips (juanjo) (#7055)

src/lang/english.txt

@@ -2381,9 +2381,9 @@ STR_BUILD_SIGNAL_ELECTRIC_COMBO_TOOLTIP                         :{BLACK}Combo Si
 STR_BUILD_SIGNAL_ELECTRIC_PBS_TOOLTIP                           :{BLACK}Path Signal (electric){}A path signal allows more than one train to enter a signal block at the same time, if the train can reserve a path to a safe stopping point. Standard path signals can be passed from the back side
 STR_BUILD_SIGNAL_ELECTRIC_PBS_OWAY_TOOLTIP                      :{BLACK}One-way Path Signal (electric){}A path signal allows more than one train to enter a signal block at the same time, if the train can reserve a path to a safe stopping point. One-way path signals can't be passed from the back side
 STR_BUILD_SIGNAL_CONVERT_TOOLTIP                                :{BLACK}Signal Convert{}When selected, clicking an existing signal will convert it to the selected signal type and variant. Ctrl+Click will toggle the existing variant. Shift+Click shows estimated conversion cost
-STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP                   :{BLACK}Dragging signal density
-STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_DECREASE_TOOLTIP          :{BLACK}Decrease dragging signal density
-STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_INCREASE_TOOLTIP          :{BLACK}Increase dragging signal density
+STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_TOOLTIP                   :{BLACK}Dragging signal distance
+STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_DECREASE_TOOLTIP          :{BLACK}Decrease dragging signal distance
+STR_BUILD_SIGNAL_DRAG_SIGNALS_DENSITY_INCREASE_TOOLTIP          :{BLACK}Increase dragging signal distance
 
 # Bridge selection window
 STR_SELECT_RAIL_BRIDGE_CAPTION                                  :{WHITE}Select Rail Bridge