diff --git a/src/lang/english.txt b/src/lang/english.txt
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -1138,6 +1138,7 @@ STR_CONFIG_SETTING_TREE_CAPTION         
 STR_CONFIG_SETTING_FILTER_TITLE                                 :{BLACK}Filter string:
 STR_CONFIG_SETTING_EXPAND_ALL                                   :{BLACK}Expand all
 STR_CONFIG_SETTING_COLLAPSE_ALL                                 :{BLACK}Collapse all
+STR_CONFIG_SETTING_RESET_ALL                                    :{BLACK}Reset all values
 STR_CONFIG_SETTING_NO_EXPLANATION_AVAILABLE_HELPTEXT            :(no explanation available)
 STR_CONFIG_SETTING_DEFAULT_VALUE                                :{LTBLUE}Default value: {ORANGE}{STRING1}
 STR_CONFIG_SETTING_TYPE                                         :{LTBLUE}Setting type: {ORANGE}{STRING}
@@ -1146,6 +1147,8 @@ STR_CONFIG_SETTING_TYPE_GAME_MENU       
 STR_CONFIG_SETTING_TYPE_GAME_INGAME                             :Game setting (stored in save; affects only current game)
 STR_CONFIG_SETTING_TYPE_COMPANY_MENU                            :Company setting (stored in saves; affects only new games)
 STR_CONFIG_SETTING_TYPE_COMPANY_INGAME                          :Company setting (stored in save; affects only current company)
+STR_CONFIG_SETTING_RESET_ALL_CONFIRMATION_DIALOG_CAPTION        :{WHITE}Caution!
+STR_CONFIG_SETTING_RESET_ALL_CONFIRMATION_DIALOG_TEXT           :{WHITE}This action will reset all game settings to their default values.{}Are you sure you want to proceed?
 
 STR_CONFIG_SETTING_RESTRICT_CATEGORY                            :{BLACK}Category:
 STR_CONFIG_SETTING_RESTRICT_TYPE                                :{BLACK}Type: