change these lines to your usernames and passwords and change the top one to config, instead of http(if it's on your own server), otherwise, keep it http
<?
$cfg['Servers'][$i]['auth_type'] = 'config'; // Authentication method (config, http or cookie based)?
$cfg['Servers'][$i]['user'] = 'username'; // MySQL user
$cfg['Servers'][$i]['password'] = 'password'; // MySQL password (only needed
?>