Fixing the spelling of "writeable" to "writable", particularly PyBUF_WRITEABLE.
diff --git a/Doc/c-api/concrete.rst b/Doc/c-api/concrete.rst
index 8d913ca..ba41fc5 100644
--- a/Doc/c-api/concrete.rst
+++ b/Doc/c-api/concrete.rst
@@ -1882,7 +1882,7 @@
Return a new writable buffer object. Parameters and exceptions are similar to
those for :cfunc:`PyBuffer_FromObject`. If the *base* object does not export
- the writeable buffer protocol, then :exc:`TypeError` is raised.
+ the writable buffer protocol, then :exc:`TypeError` is raised.
.. cfunction:: PyObject* PyBuffer_FromMemory(void *ptr, Py_ssize_t size)