Better explanation of option

htdocs/admin/multicurrency.php

@@ -319,7 +319,7 @@ print '<input type="hidden" name="action" value="add_currency">';
 print '<td>'.$form->selectCurrency('', 'code').'</td>';
 print '<td align="center" width="20">&nbsp;</td>';
 print '<td align="right" width="300">';
-print '<input type="text" name="rate" value="" size="13" placeholder="'.$langs->trans('rate').'" />&nbsp;';
+print '<input type="text" name="rate" value="" size="13" placeholder="'.$langs->trans('Rate').'" />&nbsp;';
 print '<input type="submit" class="button" value="'.$langs->trans("Add").'">';
 print '</td></form></tr>';
 

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=Use the origin rate
+multicurrency_useOriginTx=When an object is created from another, keep the original rate of source object (otherwise use the new rate entered)
 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