diff --git a/src/lang/spanish_MX.txt b/src/lang/spanish_MX.txt
--- a/src/lang/spanish_MX.txt
+++ b/src/lang/spanish_MX.txt
@@ -5081,6 +5081,8 @@ STR_ERROR_CAN_T_COPY_ORDER_LIST         
 STR_ERROR_TOO_FAR_FROM_PREVIOUS_DESTINATION                     :{WHITE}... demasiado lejos del destino anterior
 STR_ERROR_AIRCRAFT_NOT_ENOUGH_RANGE                             :{WHITE}... la aeronave no tiene suficiente alcance
 
+# Extra messages which go on the third line of errors, explaining why orders failed
+
 # Timetable related errors
 STR_ERROR_CAN_T_TIMETABLE_VEHICLE                               :{WHITE}No se pueden asignar itinerarios al vehículo...
 STR_ERROR_TIMETABLE_ONLY_WAIT_AT_STATIONS                       :{WHITE}Los vehículos solo pueden esperar en estaciones