got this when following trailhead use standard controller instructions (working through section: find a record ID

any help fixing this?

Invalid 'X-Frame-Options' header encountered when loading 'https://na35.salesforce.com/apexpages/devmode/devConsoleViewStateMetadataReceiver.apexp?sfdcIFrameOrigin=https%3A%2F%2Fc.na35.visual.force.com': 'ALLOW-FROM https://c.na35.visual.force.com' is not a recognized directive. The header will be ignored.