etckeeperのmanに載っているREADMEを読もうと思ったら無い

$ man etckeeper | grep -B1 README
SEE ALSO
       /usr/share/doc/etckeeper/README.md.gz
$ lv /usr/share/doc/etckeeper/README.md.gz
/usr/share/doc/etckeeper/README.md.gz: No such file or directory
$ ls -lA /usr/share/doc/etckeeper/
合計 40
-rw-r--r-- 1 root root  4679  7月 18  2016 README.mdwn.gz
-rw-r--r-- 1 root root 11645  8月  2  2016 changelog.Debian.gz
-rw-r--r-- 1 root root  1785  7月 18  2016 copyright
-rw-r--r-- 1 root root   948  7月 18  2016 index.mdwn
-rw-r--r-- 1 root root   483  7月 18  2016 install.mdwn
-rw-r--r-- 1 root root    55  7月 18  2016 news.mdwn
-rw-r--r-- 1 root root   309  7月 18  2016 todo.mdwn
$ dpkg -L etckeeper | grep README
/etc/etckeeper/commit.d/README
/etc/etckeeper/init.d/README
/etc/etckeeper/post-install.d/README
/etc/etckeeper/pre-commit.d/README
/etc/etckeeper/pre-install.d/README
/etc/etckeeper/unclean.d/README
/etc/etckeeper/uninit.d/README
/etc/etckeeper/update-ignore.d/README
/usr/share/doc/etckeeper/README.mdwn.gz
$ dpkg-query -W etckeeper
etckeeper       1.18.5-1