Fixing the spelling of "writeable" to "writable", particularly PyBUF_WRITEABLE.
diff --git a/Doc/c-api/abstract.rst b/Doc/c-api/abstract.rst
index 44bd579..515150d 100644
--- a/Doc/c-api/abstract.rst
+++ b/Doc/c-api/abstract.rst
@@ -944,7 +944,7 @@
 
 .. cfunction:: int PyObject_AsWriteBuffer(PyObject *obj, void **buffer, Py_ssize_t *buffer_len)
 
-   Returns a pointer to a writeable memory location.  The *obj* argument must
+   Returns a pointer to a writable memory location.  The *obj* argument must
    support the single-segment, character buffer interface.  On success, returns
    ``0``, sets *buffer* to the memory location and *buffer_len* to the buffer
    length.  Returns ``-1`` and sets a :exc:`TypeError` on error.