diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst
index 372fc1dde8fc0d..05349590975160 100644
--- a/Doc/c-api/exceptions.rst
+++ b/Doc/c-api/exceptions.rst
@@ -1004,6 +1004,7 @@ the variables:
    single: PyExc_OverflowError (C var)
    single: PyExc_PermissionError (C var)
    single: PyExc_ProcessLookupError (C var)
+   single: PyExc_PythonFinalizationError (C var)
    single: PyExc_RecursionError (C var)
    single: PyExc_ReferenceError (C var)
    single: PyExc_RuntimeError (C var)
@@ -1096,6 +1097,8 @@ the variables:
 +-----------------------------------------+---------------------------------+----------+
 | :c:data:`PyExc_ProcessLookupError`      | :exc:`ProcessLookupError`       |          |
 +-----------------------------------------+---------------------------------+----------+
+| :c:data:`PyExc_PythonFinalizationError` | :exc:`PythonFinalizationError`  |          |
++-----------------------------------------+---------------------------------+----------+
 | :c:data:`PyExc_RecursionError`          | :exc:`RecursionError`           |          |
 +-----------------------------------------+---------------------------------+----------+
 | :c:data:`PyExc_ReferenceError`          | :exc:`ReferenceError`           |          |
diff --git a/Doc/c-api/long.rst b/Doc/c-api/long.rst
index 842bf172043137..6de165d0b26df4 100644
--- a/Doc/c-api/long.rst
+++ b/Doc/c-api/long.rst
@@ -452,6 +452,8 @@ distinguished from a number.  Use :c:func:`PyErr_Occurred` to disambiguate.
    Currently, ``-1`` corresponds to
    ``Py_ASNATIVEBYTES_NATIVE_ENDIAN | Py_ASNATIVEBYTES_UNSIGNED_BUFFER``.
 
+   .. c:namespace:: NULL
+
    ============================================= ======
    Flag                                          Value
    ============================================= ======
diff --git a/Doc/c-api/module.rst b/Doc/c-api/module.rst
index 3c779488813383..ec61be284caad9 100644
--- a/Doc/c-api/module.rst
+++ b/Doc/c-api/module.rst
@@ -421,6 +421,8 @@ The available slot types are:
 
    Specifies one of the following values:
 
+   .. c:namespace:: NULL
+
    .. c:macro:: Py_MOD_GIL_USED
 
       The module depends on the presence of the global interpreter lock (GIL),
diff --git a/Doc/conf.py b/Doc/conf.py
index 8e45453215e4c3..69a2c468ec3555 100644
--- a/Doc/conf.py
+++ b/Doc/conf.py
@@ -132,6 +132,8 @@
     ('c:func', 'vsnprintf'),
     # Standard C types
     ('c:type', 'FILE'),
+    ('c:type', 'int8_t'),
+    ('c:type', 'int16_t'),
     ('c:type', 'int32_t'),
     ('c:type', 'int64_t'),
     ('c:type', 'intmax_t'),
@@ -142,6 +144,8 @@
     ('c:type', 'ssize_t'),
     ('c:type', 'time_t'),
     ('c:type', 'uint8_t'),
+    ('c:type', 'uint16_t'),
+    ('c:type', 'uint32_t'),
     ('c:type', 'uint64_t'),
     ('c:type', 'uintmax_t'),
     ('c:type', 'uintptr_t'),
@@ -244,6 +248,7 @@
     ('c:data', 'PyExc_OverflowError'),
     ('c:data', 'PyExc_PermissionError'),
     ('c:data', 'PyExc_ProcessLookupError'),
+    ('c:data', 'PyExc_PythonFinalizationError'),
     ('c:data', 'PyExc_RecursionError'),
     ('c:data', 'PyExc_ReferenceError'),
     ('c:data', 'PyExc_RuntimeError'),