#11373: fix spelling.

Doc/library/stdtypes.rst

@@ -2102,7 +2102,7 @@ copying.  Memory is generally interpreted as simple bytes.
 .. class:: memoryview(obj)
 
    Create a :class:`memoryview` that references *obj*.  *obj* must support the
-   buffer protocol.  Builtin objects that support the buffer protocol include
+   buffer protocol.  Built-in objects that support the buffer protocol include
    :class:`bytes` and :class:`bytearray`.
 
    A :class:`memoryview` has the notion of an *element*, which is the