bpo-38434: Fixes some audit event documentation (GH-16932)

diff --git a/Doc/c-api/code.rst b/Doc/c-api/code.rst
index 3c4f669..45a6b4a 100644
--- a/Doc/c-api/code.rst
+++ b/Doc/c-api/code.rst
@@ -40,8 +40,6 @@
    can bind you to a precise Python version since the definition of the bytecode
    changes often.
 
-   .. audit-event:: code.__new__ code,filename,name,argcount,posonlyargcount,kwonlyargcount,nlocals,stacksize,flags c.PyCode_New
-
 .. c:function:: PyCodeObject* PyCode_NewWithPosOnlyArgs(int argcount, int posonlyargcount, int kwonlyargcount, int nlocals, int stacksize, int flags, PyObject *code, PyObject *consts, PyObject *names, PyObject *varnames, PyObject *freevars, PyObject *cellvars, PyObject *filename, PyObject *name, int firstlineno, PyObject *lnotab)
 
    Similar to :c:func:`PyCode_New`, but with an extra "posonlyargcount" for positonal-only arguments.
diff --git a/Doc/c-api/sys.rst b/Doc/c-api/sys.rst
index 838a97c..87d2bd1 100644
--- a/Doc/c-api/sys.rst
+++ b/Doc/c-api/sys.rst
@@ -330,7 +330,16 @@
 
    See :pep:`578` for a detailed description of auditing. Functions in the
    runtime and standard library that raise events include the details in each
-   function's documentation.
+   function's documentation and listed in the :ref:`audit events table
+   <audit-events>`.
+
+   .. audit-event:: sys.addaudithook "" c.PySys_AddAuditHook
+
+      If the interpreter is initialized, this function raises a auditing event
+      ``sys.addaudithook`` with no arguments. If any existing hooks raise an
+      exception derived from :class:`Exception`, the new hook will not be
+      added and the exception is cleared. As a result, callers cannot assume
+      that their hook has been added unless they control all existing hooks.
 
    .. versionadded:: 3.8