Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Michael Friendly <friendly@yorku.ca>’
  
  Found the following (possibly) invalid URLs:
    URL: https://informationisbeautiful.net/visualizations/plane-truth-every-single-commercial-plane-crash-visualized/
      From: man/AirCrash.Rd
      Status: Error
      Message: SSL peer certificate or SSH remote key was not OK [informationisbeautiful.net]:
        SSL certificate verification failed: certificate signer not trusted. (CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none)

No changes to worse in reverse depends.