Google is tweaking its search engine to prevent sites peddling fake news, hoaxes and conspiracy theories from appearing in its top results.

Changes to the Internet giant searches requires “more structural” changes to the way search works, including tweaks to the algorithm that determines which search results appear on top, Google said in a post. It added that the shift will “help surface more authoritative pages and demote low-quality content.”

The search giant outlined additional steps to curb the spread of misinformation online that requires human intervention. It plans to train its evaluators – the people who vet Google’s search results – to spot more “low-quality” sites and make it easier for users to flag inaccurate results.