diff --git a/lang/english.txt b/lang/english.txt
--- a/lang/english.txt
+++ b/lang/english.txt
@@ -1719,7 +1719,8 @@ STR_6814_TRAIN_REVERSING				:{LTBLUE}Tra
 STR_6815_DISASTERS						:{LTBLUE}Disasters: {ORANGE}{STRING}
 STR_16816_CITY_APPROVAL				:{LTBLUE}City council's attitude towards area restructuring: {ORANGE}{STRING}
 ############ range for difficulty settings ends
-
+
+STR_26816_NONE							:None
 STR_6816_LOW							:Low
 STR_6817_NORMAL							:Normal
 STR_6818_HIGH							:High