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-rw-r--r--Doc/library/threading.rst5
1 files changed, 3 insertions, 2 deletions
diff --git a/Doc/library/threading.rst b/Doc/library/threading.rst
index 2792dfd..cda859f 100644
--- a/Doc/library/threading.rst
+++ b/Doc/library/threading.rst
@@ -371,8 +371,9 @@ All methods are executed atomically.
lock, subsequent attempts to acquire it block, until it is released; any
thread may release it.
- .. versionchanged:: 3.3
- Changed from a factory function to a class.
+ Note that ``Lock`` is actually a factory function which returns an instance
+ of the most efficient version of the concrete Lock class that is supported
+ by the platform.
.. method:: acquire(blocking=True, timeout=-1)