Clarify smtplib docs: host/port explanation

Author: Aniketsy

Doc/library/smtplib.rst

@@ -27,8 +27,9 @@ Protocol) and :rfc:`1869` (SMTP Service Extensions).
    that support a full repertoire of SMTP and ESMTP operations.
    If *host* is omitted or set to an empty string, no connection is made during initialization; you must
    call :meth:`connect` manually before using the instance.
-   If *port* is zero,the value of the :attr:`default_port` attribute is used. If specified,
-   *local_hostname* is used as the FQDN of the local host in the HELO/EHLO
+   If *port* is zero,the value of the :attr:`default_port` attribute is used.
+
+   If specified, *local_hostname* is used as the FQDN of the local host in the HELO/EHLO
    command.  Otherwise, the local hostname is found using
    :func:`socket.getfqdn`.  If the :meth:`connect` call returns anything other
    than a success code, an :exc:`SMTPConnectError` is raised. The optional
@@ -86,8 +87,9 @@ Protocol) and :rfc:`1869` (SMTP Service Extensions).
    SMTP_SSL :meth:`connect` method is called with those parameters during initialization.
    If *host* is omitted or an empty string, no connection is made during initialization;
    you must call :meth:`connect` manually before using the instance. If
-   *port* is zero, the standard SMTP-over-SSL port (465) is used.  The optional
-   arguments *local_hostname*, *timeout* and *source_address* have the same
+   *port* is zero, the standard SMTP-over-SSL port (465) is used.
+
+   The optional arguments *local_hostname*, *timeout* and *source_address* have the same
    meaning as they do in the :class:`SMTP` class.  *context*, also optional,
    can contain a :class:`~ssl.SSLContext` and allows configuring various
    aspects of the secure connection.  Please read :ref:`ssl-security` for