-@option{-refresh} URL behaves the same way as @option{-simple} one, but
-is always refreshes package versions from PyPI when listing it. You can
-use it to forcefully update known package versions.
+@option{-refresh} URL (@code{/simple/} by default) automatically
+refreshes metainformation (available versions and their checksums)
+from the upstream, when queried for package directory listing.
+@option{-norefresh} prevents upstream queries.