Cron Job Issue

I’m really having trouble with Cron Jobs.
I try to go through the support articles, but all I need is a step by step instruction, not anything advanced.
Basically I need a PHP script to run every hour.
Here’s what I put in:
What am I doing wrong?

Your script needs to be executed by the PHP binary in /usr/local/bin. Your command should be:
/usr/local/bin/php /home/USER/DOMAIN/script.php