asyncio/docs: Mark asyncio.run() as provisional in 3.7. (#6946)

diff --git a/Doc/library/asyncio-task.rst b/Doc/library/asyncio-task.rst
index 364323d5ca8b65bf9c01843114088de97ba5cb09..db0e04a4a1d171a4e2a493d4b3ba6002d2859a17 100644 (file)
--- a/Doc/library/asyncio-task.rst
+++ b/Doc/library/asyncio-task.rst
@@ -108,6 +108,8 @@ Coroutines (and tasks) can only run when the event loop is running.
     programs, and should ideally only be called once.
 
     .. versionadded:: 3.7
+       **Important:** this has been been added to asyncio in Python 3.7
+       on a :term:`provisional basis <provisional api>`.
 
 
 .. _asyncio-hello-world-coroutine: