https://certbot.eff.org/instructions?ws=haproxy&os=snap step 10 links to "Digital Ocean's guide" at https://www.digitalocean.com/community/tutorials/how-to-secure-haproxy-with-let-s-encrypt-on-ubuntu-14-04%22 but the link does not work. The article exists but the link is wrong: it should not have `%22` in the end.