Pango example: This pointer doesn’t need to be cast at all.

This comment might be from an earlier version of the example program.

docs/cffi_api.rst

@@ -132,8 +132,8 @@ Example: using Pango through CFFI with cairocffi
 
 The program below shows a fairly standard usage of CFFI
 to access Pango’s C API.
-The :attr:`Context._pointer` pointer needs to be cast
-in order to be recognized by the new :obj:`~pango_example.ffi` object.
+The :attr:`Context._pointer` pointer can be used directly as an argument
+to CFFI functions that expect ``cairo_t *``.
 The C definitions are copied from `Pango’s`_ and `GLib’s`_ documentation.
 
 .. _Pango’s: http://developer.gnome.org/pango/stable/