diff --git a/htdocs/product/fiche.php b/htdocs/product/fiche.php
index f4cb24454ce..1ee3f59e087 100644
--- a/htdocs/product/fiche.php
+++ b/htdocs/product/fiche.php
@@ -590,13 +590,13 @@ else
 	    {
 	      print '<tr><td>'.$langs->trans("Duration").'</td><td colspan="2"><input name="duration_value" size="3" maxlength="5" value="'.$product->duration_value.'">';
 		  print '&nbsp; ';
-		  print '<input name="duration_unit" type="radio" value="d"'.($product->duration_unit=='d'?' checked':'').'>'.$langs->trans("day");
+		  print '<input name="duration_unit" type="radio" value="d"'.($product->duration_unit=='d'?' checked':'').'>'.$langs->trans("Day");
 		  print '&nbsp; ';
-		  print '<input name="duration_unit" type="radio" value="w"'.($product->duration_unit=='w'?' checked':'').'>'.$langs->trans("week");
+		  print '<input name="duration_unit" type="radio" value="w"'.($product->duration_unit=='w'?' checked':'').'>'.$langs->trans("Week");
 		  print '&nbsp; ';
-		  print '<input name="duration_unit" type="radio" value="m"'.($product->duration_unit=='m'?' checked':'').'>'.$langs->trans("month");
+		  print '<input name="duration_unit" type="radio" value="m"'.($product->duration_unit=='m'?' checked':'').'>'.$langs->trans("Month");
 		  print '&nbsp; ';
-		  print '<input name="duration_unit" type="radio" value="y"'.($product->duration_unit=='y'?' checked':'').'>'.$langs->trans("year");
+		  print '<input name="duration_unit" type="radio" value="y"'.($product->duration_unit=='y'?' checked':'').'>'.$langs->trans("Year");
 
 	      print '</td></tr>';
 	    }