Password error

<?php

if(isset($_POST['submit']))
{

	$pseudo = htmlspecialchars(trim($_POST['pseudo']));
	$password = htmlspecialchars(trim($_POST['password']));

	if(empty($pseudo))
	{
		echo "Veuillez saisir votre pseudo<br/>";
	}else if(empty($password))
	{
		echo "Veuillez saisir votre mot de passe";
	}else{

	mysql_connect('localhost','root','');
	mysql_select_db('phpmembre');

	$password = md5($password);
	
	$login = mysql_query("SELECT * FROM users WHERE username='$pseudo' AND password='$password'");
	$rows = mysql_num_rows($login);
	
	if($rows == 1)
	{
		echo "bienvenue ".$pseudo;
		
	}else echo "Nom d'utilisateur ou mot de passe inccorect";
	
}	
}

?>

<h1> Connexion</h1>

<form method="post" action="">

<p>Votre pseudo</p>
<input type="text" name="pseudo" /><br/>

<p>Votre mot de passe</p>
<input type="password" name"password" /><br/><br/>

<input type="submit" name="submit" value="Se connecter" />

</form>

<a href="register.php">Pas encore membre</a>