diff --git a/src/lang/english_AU.txt b/src/lang/english_AU.txt
--- a/src/lang/english_AU.txt
+++ b/src/lang/english_AU.txt
@@ -2650,6 +2650,7 @@ STR_TRANSPARENT_BUILDINGS_TOOLTIP       
 STR_TRANSPARENT_BRIDGES_TOOLTIP                                 :{BLACK}Toggle transparency for bridges. Ctrl+Click to lock
 STR_TRANSPARENT_STRUCTURES_TOOLTIP                              :{BLACK}Toggle transparency for structures like lighthouses and antennas. Ctrl+Click to lock
 STR_TRANSPARENT_CATENARY_TOOLTIP                                :{BLACK}Toggle transparency for catenary. Ctrl+Click to lock
+STR_TRANSPARENT_TEXT_TOOLTIP                                    :{BLACK}Toggle transparency for loading and cost/income text. Ctrl+Click to lock
 STR_TRANSPARENT_INVISIBLE_TOOLTIP                               :{BLACK}Set objects invisible instead of transparent
 
 # Linkgraph legend window