diff --git a/src/web/php/test_ncloud.php b/src/web/php/test_ncloud.php
index 13360ac..cd7eda1 100644
--- a/src/web/php/test_ncloud.php
+++ b/src/web/php/test_ncloud.php
@@ -1,4 +1,6 @@
 <?php
+# Usage :
+#   php test_ncloud.php name email date
 
 if($argc == 1) {
     echo "no maestro name";