I just close-voted this question with reason "Needs details or clarity".
Afterwards, I saw, that this question fits very well, and I would like to change my vote to "Duplicate of ...". But I cannot change my close reason, only retract it. But then I'm not allowed to close-vote again.
So, my question is:
Why is close-voting disallowed after retracting? or
Should we implement the ability to change the close-vote reason?
As we seek to help people in the best possible way, wouldn't it be good to change your close-vote reason to the one that fits better?
Note, I don't want to discuss the close-voting for this specific question, it serves only as an example.