Fix English phrasing.

bitdancer · bitdancer · commit 3ca68e77b853 · 2014-11-02T12:31:47.000-05:00
diff --git a/Doc/library/asyncio-protocol.rst b/Doc/library/asyncio-protocol.rst
@@ -439,7 +439,7 @@ Coroutines and protocols
 ------------------------
 
 Coroutines can be scheduled in a protocol method using :func:`async`, but there
-is not guarantee on the execution order. Protocols are not aware of coroutines
+is no guarantee made about the execution order.  Protocols are not aware of coroutines
 created in protocol methods and so will not wait for them.
 
 To have a reliable execution order, use :ref:`stream objects <asyncio-streams>` in a
