diff --git a/Doc/c-api/init.rst b/Doc/c-api/init.rst
index 2d6b998..a6f8b9f 100644
--- a/Doc/c-api/init.rst
+++ b/Doc/c-api/init.rst
@@ -787,7 +787,7 @@
 Asynchronous Notifications
 ==========================
 
-A mechanism is provided to make asynchronous notifications to the the main
+A mechanism is provided to make asynchronous notifications to the main
 interpreter thread.  These notifications take the form of a function
 pointer and a void argument.
 
diff --git a/Doc/c-api/number.rst b/Doc/c-api/number.rst
index c8f6945..26e2dd4 100644
--- a/Doc/c-api/number.rst
+++ b/Doc/c-api/number.rst
@@ -264,8 +264,8 @@
 
 .. cfunction:: PyObject* PyNumber_ToBase(PyObject *n, int base)
 
-   Returns the the integer *n* converted to *base* as a string with a base
-   marker of ``'0b'``, ``'0o'``, or ``'0x'`` if appended applicable.  When
+   Returns the integer *n* converted to *base* as a string with a base
+   marker of ``'0b'``, ``'0o'``, or ``'0x'`` if applicable.  When
    *base* is not 2, 8, 10, or 16, the format is ``'x#num'`` where x is the
    base. If *n* is not an int object, it is converted with
    :cfunc:`PyNumber_Index` first.
diff --git a/Doc/c-api/object.rst b/Doc/c-api/object.rst
index d9f29d1..b0700a1 100644
--- a/Doc/c-api/object.rst
+++ b/Doc/c-api/object.rst
@@ -42,6 +42,16 @@
    expression ``o.attr_name``.
 
 
+.. cfunction:: PyObject* PyObject_GenericGetAttr(PyObject *o, PyObject *name)
+
+   Generic attribute getter function that is meant to be put into a type
+   object's ``tp_getattro`` slot.  It looks for a descriptor in the dictionary
+   of classes in the object's MRO as well as an attribute in the object's
+   :attr:`__dict__` (if present).  As outlined in :ref:`descriptors`, data
+   descriptors take preference over instance attributes, while non-data
+   descriptors don't.  Otherwise, an :exc:`AttributeError` is raised.
+
+
 .. cfunction:: int PyObject_SetAttr(PyObject *o, PyObject *attr_name, PyObject *v)
 
    Set the value of the attribute named *attr_name*, for object *o*, to the value
@@ -56,6 +66,16 @@
    ``o.attr_name = v``.
 
 
+.. cfunction:: int PyObject_GenericSetAttr(PyObject *o, PyObject *name, PyObject *value)
+
+   Generic attribute setter function that is meant to be put into a type
+   object's ``tp_setattro`` slot.  It looks for a data descriptor in the
+   dictionary of classes in the object's MRO, and if found it takes preference
+   over setting the attribute in the instance dictionary. Otherwise, the
+   attribute is set in the object's :attr:`__dict__` (if present).  Otherwise,
+   an :exc:`AttributeError` is raised and ``-1`` is returned.
+
+
 .. cfunction:: int PyObject_DelAttr(PyObject *o, PyObject *attr_name)
 
    Delete attribute named *attr_name*, for object *o*. Returns ``-1`` on failure.
diff --git a/Doc/c-api/structures.rst b/Doc/c-api/structures.rst
index fdbd806..489eaea 100644
--- a/Doc/c-api/structures.rst
+++ b/Doc/c-api/structures.rst
@@ -241,7 +241,7 @@
    T_OBJECT_EX     PyObject \*
    T_CHAR          char
    T_BYTE          char
-   T_UNBYTE        unsigned char
+   T_UBYTE         unsigned char
    T_UINT          unsigned int
    T_USHORT        unsigned short
    T_ULONG         unsigned long
diff --git a/Doc/c-api/veryhigh.rst b/Doc/c-api/veryhigh.rst
index 62281aa..d716a46 100644
--- a/Doc/c-api/veryhigh.rst
+++ b/Doc/c-api/veryhigh.rst
@@ -38,6 +38,10 @@
    interpreter exits due to an exception, or ``2`` if the parameter
    list does not represent a valid Python command line.
 
+   Note that if an otherwise unhandled :exc:`SystemError` is raised, this
+   function will not return ``1``, but exit the process, as long as
+   ``Py_InspectFlag`` is not set.
+
 
 .. cfunction:: int PyRun_AnyFile(FILE *fp, const char *filename)
 
@@ -80,6 +84,10 @@
    there was an error, there is no way to get the exception information. For the
    meaning of *flags*, see below.
 
+   Note that if an otherwise unhandled :exc:`SystemError` is raised, this
+   function will not return ``-1``, but exit the process, as long as
+   ``Py_InspectFlag`` is not set.
+
 
 .. cfunction:: int PyRun_SimpleFile(FILE *fp, const char *filename)