Fix asyncio doc typo.
diff --git a/Doc/library/asyncio-eventloop.rst b/Doc/library/asyncio-eventloop.rst
index 12e60c4..4f7fdfe 100644
--- a/Doc/library/asyncio-eventloop.rst
+++ b/Doc/library/asyncio-eventloop.rst
@@ -641,7 +641,7 @@
    Server listening on sockets.
 
    Object created by the :meth:`BaseEventLoop.create_server` method and the
-   :func:`start_server` function. Don't instanciate the class directly.
+   :func:`start_server` function. Don't instantiate the class directly.
 
    .. method:: close()