Please Correct This Sentence
"I've enclosed the document you required in the following Attachment."

Is this correct?
Is there a better way to say this?

Question

Please Correct This Sentence
"I've enclosed the document you required in the following Attachment."

Is this correct?  
Is there a better way to say this?

Answer

I would phrase it: "I've attached the document you requested". Saying "enclosed" with "attached" is a little repetitive.