diff --git a/src/lang/english_US.txt b/src/lang/english_US.txt
--- a/src/lang/english_US.txt
+++ b/src/lang/english_US.txt
@@ -1808,6 +1808,7 @@ STR_CONFIG_SETTING_ALLOW_SHARES_HELPTEXT
 
 STR_CONFIG_SETTING_MIN_YEARS_FOR_SHARES                         :Minimum company age to trade shares: {STRING}
 STR_CONFIG_SETTING_MIN_YEARS_FOR_SHARES_HELPTEXT                :Set the minimum age of a company for others to be able to buy and sell shares from them.
+###setting-zero-is-special
 
 STR_CONFIG_SETTING_FEEDER_PAYMENT_SHARE                         :Percentage of leg profit to pay in feeder systems: {STRING}
 STR_CONFIG_SETTING_FEEDER_PAYMENT_SHARE_HELPTEXT                :Percentage of income given to the intermediate legs in feeder systems, giving more control over the income
@@ -1953,7 +1954,7 @@ STR_CONFIG_SETTING_SHORT_PATH_SATURATION
 
 STR_CONFIG_SETTING_LOCALISATION_UNITS_VELOCITY                  :Speed units: {STRING}
 STR_CONFIG_SETTING_LOCALISATION_UNITS_VELOCITY_HELPTEXT         :Whenever a speed is shown in the user interface, show it in the selected units
-###length 4
+###length 5
 STR_CONFIG_SETTING_LOCALISATION_UNITS_VELOCITY_IMPERIAL         :Imperial (mph)
 STR_CONFIG_SETTING_LOCALISATION_UNITS_VELOCITY_METRIC           :Metric (km/h)
 STR_CONFIG_SETTING_LOCALISATION_UNITS_VELOCITY_SI               :SI (m/s)