It's just a 60-day cease fire extension, according to the New York Times.
Trump posted something on Truth Social. There's no announcement on the U.S. Department of State site. That's full of a deal between the US Government and the Ultimate Fighting Championship people.
Compare with the April 8th ceasefire.[2]
Al Jazeera, which reports on this in detail because their readership is in the target area, is trying to figure it out.[3]