Move PEP note and remove locals() reference.

Author: ZeroIntensity

Doc/library/types.rst

@@ -335,11 +335,14 @@ Standard names are defined for the following types:
 
 .. data:: FrameLocalsProxyType
 
-   The type of frame :func:`locals` proxy objects, as found on the
-   :attr:`frame.f_locals` attribute. See :pep:`667` for more information.
+   The type of frame locals proxy objects, as found on the
+   :attr:`frame.f_locals` attribute.
 
    .. versionadded:: next
 
+   .. seealso::
+      :pep:`667`
+
 
 .. data:: GetSetDescriptorType