A survey of 1,207 Americans shows that while 49% have encountered misinformation interventions, many are unclear about the systems behind them, with 40% believing all content is checked and 17.5% unsure. This article argues that social media platforms often intervene on misleading or inaccurate posts, but public understanding of these interventions is limited. Support for these interventions also varies by political party and is influenced by trust in institutions, social media usage, and exposure to perceived appropriate interventions.