diff --git a/htdocs/langs/en_US/multicurrency.lang b/htdocs/langs/en_US/multicurrency.lang
index fc90fe3d78d..805356a2e46 100644
--- a/htdocs/langs/en_US/multicurrency.lang
+++ b/htdocs/langs/en_US/multicurrency.lang
@@ -4,7 +4,7 @@ ErrorAddRateFail=Error in added rate
 ErrorAddCurrencyFail=Error in added currency
 ErrorDeleteCurrencyFail=Error delete fail
 multicurrency_syncronize_error=Error in synchronization
-multicurrency_useOriginTx=When an object is created from another, keep the original rate of source object (otherwise use the new rate entered)
+multicurrency_useOriginTx=When an object is created from another, keep the original rate of source object (otherwise use the new known rate)
 CurrencyLayerAccount=CurrencyLayer API
 CurrencyLayerAccount_help_to_synchronize=You sould create an account on their website to use this functionnality<br />Get your <b>API key</b><br />If you use a free account you can't change the <b>currency source</b> (USD by default)<br />But if your main currency isn't USD you can use the <b>alternate currency source</b> to force you main currency<br /><br />You are limited at 1000 synchronizations per month 
 multicurrency_appId=API key