-Read @sc{url}s from @var{file}. If @samp{-} is specified as
-@var{file}, @sc{url}s are read from the standard input. (Use
-@samp{./-} to read from a file literally named @samp{-}.)
+Read @sc{url}s from a local or external @var{file}. If @samp{-} is
+specified as @var{file}, @sc{url}s are read from the standard input.
+(Use @samp{./-} to read from a file literally named @samp{-}.)