bpo-20582: add link for manpage for flags on getnameinfo() (GH-11977)

diff --git a/Doc/library/socket.rst b/Doc/library/socket.rst
index 62c83470271c22982d53837046b5e5589d660139..379633a3b6052bac3fe0a817b66662ed2ebbc214 100644 (file)
--- a/Doc/library/socket.rst
+++ b/Doc/library/socket.rst
@@ -796,6 +796,8 @@ The :mod:`socket` module also offers various network-related services:
    For IPv6 addresses, ``%scope`` is appended to the host part if *sockaddr*
    contains meaningful *scopeid*. Usually this happens for multicast addresses.
 
+   For more information about *flags* you can consult :manpage:`getnameinfo(3)`.
+
 .. function:: getprotobyname(protocolname)
 
    Translate an Internet protocol name (for example, ``'icmp'``) to a constant