How so? Trump Claims Strait Will be ‘Permanently Toll Free’ Under Agreement With Iran (NYT headline).
https://www.dawn.com/news/2007544/cannot-impose-tolls-on-str...
(In other words, every barrel of oil that passes through the straight will now have an $X risk surcharge on it, whether or not that surcharge ends up in Iran's coffers.)
[1] https://old.reddit.com/r/trumptweets/comments/1u5xpoe/061426...