diff -r 470954641f3b Doc/library/asyncio-task.rst
--- a/Doc/library/asyncio-task.rst	Sun Jun 05 12:07:48 2016 +0000
+++ b/Doc/library/asyncio-task.rst	Sun Jun 05 12:14:26 2016 -0700
@@ -210,6 +210,14 @@
    This exception is different from the builtin :exc:`TimeoutError` exception!
 
 
+CancelledError
+--------------
+
+.. exception:: CancelledError
+
+   The future has been cancelled.
+
+
 Future
 ------