Add some comments missed in the last commit.
Add some comments missed in the last commit.

paulproteus/alpine-packaging,RsrchBoy/dpkg-alpine,RsrchBoy/dpkg-alpine,paulproteus/alpine-packaging,RsrchBoy/dpkg-alpine,RsrchBoy/dpkg-alpine,RsrchBoy/dpkg-alpine,RsrchBoy/dpkg-alpine,paulproteus/alpine-packaging,paulproteus/alpine-packaging,RsrchBoy/dpkg-alpine,paulproteus/alpine-packaging,paulproteus/alpine-packaging,paulproteus/alpine-packaging