How to fix Rapidleech accounts.php error

You got this error when try to download a file with rapidleech?

Value for $secretkey is empty, please create a random one (56 chars max) in accounts.php!

Don't worry, :D you can fix it...
first, 
open : configs/accounts.php on your rapidleech folder
second, 
replace this line : $secretkey = ''; 
with this one : $secretkey = 'secrettt'; 
you can change secrettt with anything you like :D