I've seen a lot of teams ask developers to write duplicate documents. The supplier provides decent docs, and I guess they want you to read the document and tell

I've seen a lot of teams ask developers to write duplicate documents. The supplier provides decent docs, and I guess they want you to read the document and tell them what matters for our project. Perhaps it's not that crazy a request, but you will likely have to use the supplier docs anyway. I'm basically being asked to make a worse version of the document the vendor gave me. These are not crazy long documents either.