That’s what I was thinking. Are we sure it’s not a typo?
Apparently they did 30 seconds in 2022:
https://www.newscientist.com/article/2336385-korean-nuclear-fusion-reactor-achieves-100-millionc-for-30-seconds/
Current: https://www.sciencealert.com/korean-fusion-reactor-sets-new-record-for-sustaining-100-million-degree-plasma