diff --git a/Doc/library/asyncio-task.rst b/Doc/library/asyncio-task.rst
index b6ae443860843b..59acce1990ae04 100644
--- a/Doc/library/asyncio-task.rst
+++ b/Doc/library/asyncio-task.rst
@@ -1381,7 +1381,10 @@ Task Object
 
       Request the Task to be cancelled.
 
-      This arranges for a :exc:`CancelledError` exception to be thrown
+      If the Task is already *done* or *cancelled*, return ``False``,
+      otherwise, return ``True``.
+
+      The method arranges for a :exc:`CancelledError` exception to be thrown
       into the wrapped coroutine on the next cycle of the event loop.
 
       The coroutine then has a chance to clean up or even deny the
diff --git a/Misc/ACKS b/Misc/ACKS
index 814a530f7b79d4..3cd768e405af6d 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1662,6 +1662,7 @@ Andreas Schawo
 Neil Schemenauer
 David Scherer
 Wolfgang Scherer
+Felix Scherz
 Hynek Schlawack
 Bob Schmertz
 Gregor Schmid