Strings and buffers
-------------------
-These formats do not expect you to provide raw storage for the returned string
-or bytes. Also, you won't have to release any memory yourself, except with
-the ``es``, ``es#``, ``et`` and ``et#`` formats.
+These formats allow to access an object as a contiguous chunk of memory.
+You don't have to provide raw storage for the returned unicode or bytes
+area. Also, you won't have to release any memory yourself, except with the
+``es``, ``es#``, ``et`` and ``et#`` formats.
However, when a :ctype:`Py_buffer` structure gets filled, the underlying
buffer is locked so that the caller can subsequently use the buffer even