Misinformation spreads rapidly online, shaping beliefs and behaviors even after corrections are made. Fact-checking is crucial but insufficient, making additional interventions necessary. Overconfidence, an inflated belief in one’s own knowledge, has been identified as a factor related to misinformation susceptibility. Explanation-based strategies offer a valuable approach to addressing misinformation. When people explain how they know what they claim to know, they often see gaps in their knowledge. This recognition can lead to a shift in confidence and a more thoughtful approach. This process is closely connected to intellectual humility (IH). IH involves recognizing the limits of one’s knowledge, being open to change, and considering other people's viewpoints. IH is seen as protective against misinformation, but causal evidence is lacking. This pilot study tests two explanation-based interventions on recognizing fake news: a general depth explanation and a simplified item-by-item explanation against a control. Participants first judge the veracity, confidence, and sharing intentions of existing true and false headlines. They are then assigned to one of the interventions, followed by a second test including both repeated and novel headlines. We hypothesize that explanation prompts will increase veracity discernment, reduce intentions to share false content (for both repeated and novel items), and foster IH as a mediating mechanism.