Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘David Cortes <david.cortes.rivera@gmail.com>’
  
  Found the following (possibly) invalid URLs:
    URL: https://www.rulequest.com/gritbot-info.html
      From: DESCRIPTION
            man/outlier.tree.Rd
      Status: Error
      Message: SSL peer certificate or SSH remote key was not OK [www.rulequest.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.