Package check result: NOTE

Check: CRAN incoming feasibility, Result: NOTE
  Maintainer: ‘Roeland Kindt <RoelandCEKindt@gmail.com>’
  
  Found the following (possibly) invalid URLs:
    URL: https://www.worldfloraonline.org
      From: man/WFO.example.Rd
            man/WFO.match.Rd
            man/WFO.match2.Rd
      Status: Error
      Message: server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
        	(Status without verification: Method Not Allowed)
    URL: https://www.worldfloraonline.org/
      From: DESCRIPTION
      Status: Error
      Message: server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
        	(Status without verification: Method Not Allowed)

No changes to worse in reverse depends.