https://www.freebsd.org/doc/handbook/openssl.html
A commit references this bug: Author: pluknet Date: Fri Feb 8 21:57:31 UTC 2019 New revision: 52805 URL: https://svnweb.freebsd.org/changeset/doc/52805 Log: Update OpenSSL chapter after WITH_OPENSSL_PORT has gone. PR: 233315 Changes: head/en_US.ISO8859-1/books/handbook/security/chapter.xml
Should be fixed now.