https://www.debian.org/doc/debian-policy/ch-source.html#debian-changelog-debian-changelog
Series of Changes:
package (version) distribution(s); urgency=urgency [optional blank line(s), stripped] * change details more change details [blank line(s), included in output of dpkg-parsechangelog] * even more change details [optional blank line(s), stripped] -- maintainer name <email address>[two spaces] date