The most common and most likely answer to this crossword clue is the 8 letter word REDRAFTS
I've seen this crossword clue in The Daily Telegraph
R
E
D
R
A
F
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S
Buddy explains!
The straight part
We know that "Modifies" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case modifies = redrafts.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REDRAFTS mean?
REDRAFTS noun- A second or subsequent draft
- A new bill of exchange which the holder of a protested bill draws on the drawer or endorsers, for the amount of the bill, with costs and charges.
- To draft again