Very good looks like that worked.
root@XXX:~/letsencrypt# echo | openssl s_client -connect XXX.XXX:443 2>/dev/null | openssl x509 -noout -dates
notBefore=Feb 19 10:09:00 2016 GMT
notAfter=May 19 10:09:00 2016 GMT
root@XXX:~/letsencrypt#
So it will last till 5/19/2016 super good to know.
Thank you.
-Raymond Day