Yes, coincidence probably, I voted it ~15sec after your second vote and your first vote was 2mins before it:
https://hiveblocks.com/tx/02bb26afa5e05ff066e9907740ef7c317bcd24b2
https://hiveblocks.com/tx/2643a702c6f5f67c50f7335f49a30ab8338b50cd
https://hiveblocks.com/tx/11e04ffd986126b1e67bff5c2cc22937b753de5c
and yes, peakd let's you revote without warning you that you're about to unvote and vote again as far as I know. You can change it however many times you want now but you won't receive curation rewards after the first unvote according to current rules of the blockchain.