bpo-37390: Add audit event table to documentations (GH-14406)

Also updates some (unreleased) event names to be consistent with the others.
diff --git a/Doc/library/urllib.request.rst b/Doc/library/urllib.request.rst
index 9f8869c..3b75089 100644
--- a/Doc/library/urllib.request.rst
+++ b/Doc/library/urllib.request.rst
@@ -95,7 +95,7 @@
    parameter to ``urllib.urlopen``, can be obtained by using
    :class:`ProxyHandler` objects.
 
-   .. audit-event:: urllib.Request "fullurl data headers method"
+   .. audit-event:: urllib.Request fullurl,data,headers,method urllib.request.urlopen
 
       The default opener raises an :ref:`auditing event <auditing>`
       ``urllib.Request`` with arguments ``fullurl``, ``data``, ``headers``,