message: Fix list rendering for blacklisted hosts
diff: @@ -52,7 +52,8 @@ Documentation links from specific hosts are blacklisted. Hosts are added
  to the blacklist if they are known to not be hosting documentation and are
  possibly of malicious intent e.g. ad tracking networks. URLs from the
  following hosts are blacklisted:
  -- rust-ci.org
  +
  +* rust-ci.org
  Documentation URLs from blacklisted hosts will not appear on crates.io, and
  may be replaced by docs.rs links.
  