It's a list of the cargo the freighter was carrying, and how much the cargo was worth.
5 seconds sound clip from Scooby-Doo, Where Are You! - Go Away Ghost Ship (S1E14).
You can hear this line at 00:14:43.686 in the Blu-ray version of the episode.
Quote context
[...]
- Aah!
- Hey, Shag, I see you found us.
- Yeah. Now, like, let's all get lost!
- First, get rid of that ridiculous paper pirate hat you're wearing.
- Hey... wait a minute! Let me see that hat.
- I've heard of man-o-war, but I've never heard of man-o-fest.
- It's a list of the cargo the freighter was carrying, and how much the cargo was worth.
- You bet!
- Look at the date. And that ship won't sail until tomorrow.
- How would a ghost get hold of this?
- And, like, why would he want it?
- I have a hunch a little investigation around this place will give us the answer. Come on!
- I was right... truck tire tracks!
- Great. Now we know the ghost drives a truck.
[...]