Error validating server certificate

[Montgomery-Smith, Stephen]

I did svn up just now in my /usr/src directory.  I got this message.
Should I worry about this?

Error validating server certificate for 'https://svn.freebsd.org:443':
 - The certificate is not issued by a trusted authority. Use the
   fingerprint to validate the certificate manually!
Certificate information:
 - Hostname: svn.freebsd.org
 - Valid: from Aug 29 20:26:55 2018 GMT until Nov 27 20:26:55 2018 GMT
 - Issuer: Let's Encrypt Authority X3, Let's Encrypt, US
 - Fingerprint: DC:AE:39:82:F5:32:DB:61:86:9E:B4:C7:C0:9C:EA:8C:08:7E:43:5A