Boss checklist displaying wrong loot information with Calamity : r

Complete Order To Defeat All Terraria Bosses

Terraria bosses in order and the loot they give

So, I was playing Calamity, and for some reason, some of the bosses I've already beaten got unchecked from the checklist? The ones I crossed out are the ones that got unchecked

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Steam Műhely::Boss Checklist German Translation

Terraria Boss Checklist #22 - Calamitas! (Expert mode)

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tModLoader - Boss Checklist - In-game progression checklist., Page 25