Index: Doc/library/socket.rst
===================================================================
--- Doc/library/socket.rst	(revision 72256)
+++ Doc/library/socket.rst	(working copy)
@@ -437,6 +437,11 @@
 
    Availability: Unix (maybe not all platforms).
 
+   .. seealso::
+
+      :func:`ipaddr.BaseIP.packed`
+         Platform-independent conversion to a packed, binary format.
+
    .. versionadded:: 2.3