Erreur dans le code php ??

<form method='post' action='verif.php'>
<p>
Login : <input type='text' name='login' />
</p>
<p>
Mot de passe : <input type='text' name='password'/>
</p>
<input type='submit' value='Envoyer'/>
</form>

<?php
if (isset($_POST['login']) AND isset($_POST['password']))
{
	$user = $_POST['login'];
	$pwd = $_POST['password'];
	if ($user == 'xx')
	{
		if ($pwd == 'mdp')
		{
			echo "bienvenue $user";
		}
		else
		{
			echo "login incorrect";
		}
	}
}
?>