The term "false doctrine" refers to a belief or teaching that is considered incorrect, misguided or erroneous. It suggests that the information being presented is not based on sound principles or accurate knowledge and may lead people astray from the truth. In religious contexts, it can refer to teachings that contradict established doctrines or interpretations of scripture. The phrase highlights the importance of critical thinking and fact-checking when evaluating information in order to avoid being misled by false doctrine.