diff --git a/update.php b/update.php
index f6bd40e..eb2fb4c 100644
--- a/update.php
+++ b/update.php
@@ -1,4 +1,8 @@
 <?php
+
+// tests to check UPDATE try to remplace file_get_contents with curl
+// to avoid a allow_url_fopen Apache limitaion
+
 $ch = curl_init("https://tools.echosystem.fr/Password/htpasswd/version.txt");
 
 curl_setopt($ch, CURLOPT_NOBODY, true);
@@ -9,6 +13,7 @@ echo $retcode;
 curl_close($ch);
 ?>
 
+
 <?php
 define('REMOTE_VERSION', 'https://tools.echosystem.fr/Password/htpasswd/version.txt');
 define('VERSION', '1.0.2');