Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Johan Larsson <johanlarsson@outlook.com>’
  
  Found the following (possibly) invalid URLs:
    URL: https://blog.mapbox.com/a-new-algorithm-for-finding-a-visual-center-of-a-polygon-7c77e6492fbc
      From: man/poi.Rd
      Status: Error
      Message: SSL peer certificate or SSH remote key was not OK [blog.mapbox.com]:
        SSL certificate verification failed: certificate signer not trusted. (CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none)

No changes to worse in reverse depends.