diff --git a/code/web/public_php/login/r2_login.php b/code/web/public_php/login/r2_login.php
index 0a38e4e88..936b3209a 100755
--- a/code/web/public_php/login/r2_login.php
+++ b/code/web/public_php/login/r2_login.php
@@ -26,7 +26,11 @@ if (isset($_GET['dbg']) && ($_GET['dbg'] == 1)) {
     $DisplayDbg = true;
 }
 
+// Create a command object using the user's parameters.
 $nel_command = new NelCommand($_GET);
+// Create a connexion handler to process that command.
 $connection_handler = new ConnectionHandler();
+// Connect the connection handler to the database.
 $connection_handler->connect($DBHost, $DBUserName, $DBPassword, $DBName);
+// Process the command sent by the user.
 $connection_handler->process_command($nel_command);