Replace mentions of IOError
diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index f68efed..5df9851 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -784,9 +784,14 @@
to receive and the other end has closed.
If *maxlength* is specified and the message is longer than *maxlength*
- then :exc:`IOError` is raised and the connection will no longer be
+ then :exc:`OSError` is raised and the connection will no longer be
readable.
+ .. versionchanged:: 3.3
+ This function used to raise a :exc:`IOError`, which is now an
+ alias of :exc:`OSError`.
+
+
.. method:: recv_bytes_into(buffer[, offset])
Read into *buffer* a complete message of byte data sent from the other end