diff --git a/src/lang/english.txt b/src/lang/english.txt
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -3337,14 +3337,14 @@ STR_DRIVE_THROUGH_ERROR_ON_TOWN_ROAD    
 STR_DRIVE_THROUGH_ERROR_DIRECTION                               :{WHITE}...road facing in the wrong direction
 
 STR_TRANSPARENCY_TOOLB                                          :{WHITE}Transparency Options
-STR_TRANSPARENT_SIGNS_DESC                                      :{BLACK}Toggle transparency for station signs
-STR_TRANSPARENT_TREES_DESC                                      :{BLACK}Toggle transparency for trees
-STR_TRANSPARENT_HOUSES_DESC                                     :{BLACK}Toggle transparency for houses
-STR_TRANSPARENT_INDUSTRIES_DESC                                 :{BLACK}Toggle transparency for industries
-STR_TRANSPARENT_BUILDINGS_DESC                                  :{BLACK}Toggle transparency for buildables like stations, depots, waypoints and catenary
-STR_TRANSPARENT_BRIDGES_DESC                                    :{BLACK}Toggle transparency for bridges
-STR_TRANSPARENT_STRUCTURES_DESC                                 :{BLACK}Toggle transparency for structures like lighthouses and antennas, maybe in future for eyecandy
-STR_TRANSPARENT_LOADING_DESC                                    :{BLACK}Toggle transparency for loading indicators
+STR_TRANSPARENT_SIGNS_DESC                                      :{BLACK}Toggle transparency for station signs. CTRL+click to lock.
+STR_TRANSPARENT_TREES_DESC                                      :{BLACK}Toggle transparency for trees. CTRL+click to lock.
+STR_TRANSPARENT_HOUSES_DESC                                     :{BLACK}Toggle transparency for houses. CTRL+click to lock.
+STR_TRANSPARENT_INDUSTRIES_DESC                                 :{BLACK}Toggle transparency for industries. CTRL+click to lock.
+STR_TRANSPARENT_BUILDINGS_DESC                                  :{BLACK}Toggle transparency for buildables like stations, depots, waypoints and catenary. CTRL+click to lock.
+STR_TRANSPARENT_BRIDGES_DESC                                    :{BLACK}Toggle transparency for bridges. CTRL+click to lock.
+STR_TRANSPARENT_STRUCTURES_DESC                                 :{BLACK}Toggle transparency for structures like lighthouses and antennas. CTRL+click to lock.
+STR_TRANSPARENT_LOADING_DESC                                    :{BLACK}Toggle transparency for loading indicators. CTRL+click to lock.
 
 STR_PERCENT_UP_SMALL                                            :{TINYFONT}{WHITE}{NUM}%{UPARROW}
 STR_PERCENT_UP                                                  :{WHITE}{NUM}%{UPARROW}