diff --git a/Doc/library/asyncio-task.rst b/Doc/library/asyncio-task.rst
index c896b8d3791718..febb734bcd1c33 100644
--- a/Doc/library/asyncio-task.rst
+++ b/Doc/library/asyncio-task.rst
@@ -622,7 +622,7 @@ Task functions
       :func:`run_coroutine_threadsafe` requires the *loop* argument to
       be passed explicitely.
 
-   .. versionadded:: 3.4.4, 3.5.1
+   .. versionadded:: 3.5.1
 
 .. coroutinefunction:: sleep(delay, result=None, \*, loop=None)