diff --git a/Doc/library/asyncio-task.rst b/Doc/library/asyncio-task.rst
index 42e2b4e..bc8a272 100644
--- a/Doc/library/asyncio-task.rst
+++ b/Doc/library/asyncio-task.rst
@@ -453,7 +453,8 @@
    wrap it in :func:`shield`.
 
    The function will wait until the future is actually cancelled,
-   so the total wait time may exceed the *timeout*.
+   so the total wait time may exceed the *timeout*. If an exception
+   happens during cancellation, it is propagated.
 
    If the wait is cancelled, the future *aw* is also cancelled.