Spell Extend not working correctly?

[Shiriow]

I'm trying to make a Death's Design trigger from Shadow of Death/Whorl of Death to make it easier to check it, but I'm having trouble with the extend feature. If I add 30s on the trigger, and 30s on the extension it always gives me 60s, even when I first apply it Making the trigger 0s and the extension 30s caps at 30s, even though I have the upper limit at 60s

[wbonbon]

https://github.com/anoyetta/ACT.Hojoring/wiki/SpecialSpellTimer_Examples refer to the first example. No need to extend. 1A:\<id8>:(?\<victim>.+?) gains the effect of (?\<effect>Death's Design) from \<mex> for (?\<duration>[0-9\.]+)

[Shiriow]

That worked, thank you!