Use :attr:~class.__base__ instead of :attr:__base__

Author: furkanonder

Doc/c-api/object.rst

@@ -307,7 +307,7 @@ Object Protocol
    class, are considered classes.  However, objects can override this by having
    a :attr:`~class.__bases__` attribute (which must be a tuple of base classes).
 
-   Another function, :attr:`__base__` that is specific to CPython and also
+   Another function, :attr:`~class.__base__` that is specific to CPython and also
    exists in Jython and PyPy can also be used on a class inheriting from one
    or more classes.
 
@@ -347,7 +347,7 @@ Object Protocol
 
    The first user defined class that inherits  either an object or
    derives from a class (directly or indirectly) that inherits an
-   object is the value returned by the :attr:`__base__` function.
+   object is the value returned by the :attr:`~class.__base__` function.
 
    >>> class D(B, A): pass
    ...