   Returns information about the `port`
   or `nil` if the port is closed.
 
-  See [`:erlang.port_info/2`](http://www.erlang.org/doc/man/erlang.html#port_info-2)
+  For more information, see [`:erlang.port_info/2`](http://www.erlang.org/doc/man/erlang.html#port_info-2).
   """
   @spec info(port, atom) :: {atom, term} | nil
   def info(port, spec)

  Returns information about the `port`
  or `nil` if the port is closed.

  See [`:erlang.port_info/1`](http://www.erlang.org/doc/man/erlang.html#port_info-1)
  """
  def info(port) do
    nillify :erlang.port_info(port)

  end

  @doc """
  Returns a list of the ports for the current node.

  For more information, see [`:erlang.ports/0`](http://www.erlang.org/doc/man/erlang.html#ports-0).

  Inlined by the compiler.
  """
  @spec list :: [port]
  def list do
    :erlang.ports
  end
