diff --git a/src/lang/english.txt b/src/lang/english.txt
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -1027,6 +1027,7 @@ STR_DIFFICULTY_LEVEL_SETTING_CITY_APPROV
 ############ range for difficulty settings ends
 
 STR_NONE                                                        :None
+STR_MINIMAL                                                     :Minimal
 STR_NUM_VERY_LOW                                                :Very Low
 STR_NUM_LOW                                                     :Low
 STR_NUM_NORMAL                                                  :Normal