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Co-authored-by: Oleg Iarygin <[email protected]>

Author: encukou

Doc/c-api/object.rst

@@ -410,7 +410,7 @@ Object Protocol
 
 .. c:function:: Py_ssize_t PyType_GetTypeDataSize(PyTypeObject *cls)
 
-   Return the size of the memory reserved for *cls*, i.e. the size of the
+   Return the size of the instance memory space reserved for *cls*, i.e. the size of the
    memory :c:func:`PyObject_GetTypeData` returns.
 
    This may be larger than requested using :c:member:`-PyType_Spec.basicsize <PyType_Spec.basicsize>`;

Doc/c-api/type.rst

@@ -354,7 +354,7 @@ The following functions and structs are used to create
 
    .. c:member:: int itemsize
 
-      Size of one element of a variable-size type, in bytes
+      Size of one element of a variable-size type, in bytes.
       Used to set :c:member:`PyTypeObject.tp_itemsize`.
       See ``tp_itemsize`` documentation for caveats.