Fix multiprocessing.event to match the new threading.Event API
diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index 3d66d14..02f6ac1 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -836,6 +836,12 @@
.. class:: Event()
A clone of :class:`threading.Event`.
+ This method returns the state of the internal semaphore on exit, so it
+ will always return ``True`` except if a timeout is given and the operation
+ times out.
+
+ .. versionchanged:: 2.7
+ Previously, the method always returned ``None``.
.. class:: Lock()