If you want to have a more personalized closing line for the notification emails you can set a variable for the admin_name.
$a->config['admin_name'] = "Marvin";
+
+## Database Settings
+
+The configuration variables db_host, db_user, db_pass and db_data are holding your credentials for the database connection.
+If you need to specify a port to access the database, you can do so by appending ":portnumber" to the db_host variable.
+
+ $db_host = 'your.mysqlhost.com:123456';