docs: Better wording for __objclass__ docs. Issue #19281

Doc/reference/datamodel.rst

@@ -1467,12 +1467,12 @@ class' :attr:`__dict__`.
    Called to delete the attribute on an instance *instance* of the owner class.
 
 
-The :attr:`__objclass__` is interpreted by the :mod:`inspect` module as
-specifying the class where this object was defined (setting this appropriately
-can assist in runtime introspection of dynamic class attributes). For callables,
-it may indicate that an instance of the given type (or a subclass) is expected
-or required as the first positional argument (for example, CPython sets this
-attribute for unbound methods that are implemented in C).
+The attribute :attr:`__objclass__` is interpreted by the :mod:`inspect` module
+as specifying the class where this object was defined (setting this
+appropriately can assist in runtime introspection of dynamic class attributes).
+For callables, it may indicate that an instance of the given type (or a
+subclass) is expected or required as the first positional argument (for example,
+CPython sets this attribute for unbound methods that are implemented in C).
 
 
 .. _descriptor-invocation: