Fix broken :ref: in asyncio docs (GH-11805)

diff --git a/Doc/library/asyncio-protocol.rst b/Doc/library/asyncio-protocol.rst
index 5e6b5b480562add1f3205dc6b02af661df672557..f08738dd62bb5cc31c60ec9d1b63c64dbc9f9617 100644 (file)
--- a/Doc/library/asyncio-protocol.rst
+++ b/Doc/library/asyncio-protocol.rst
@@ -73,7 +73,7 @@ Transports are classes provided by :mod:`asyncio` in order to abstract
 various kinds of communication channels.
 
 Transport objects are always instantiated by an
-ref:`asyncio event loop <asyncio-event-loop>`.
+:ref:`asyncio event loop <asyncio-event-loop>`.
 
 asyncio implements transports for TCP, UDP, SSL, and subprocess pipes.
 The methods available on a transport depend on the transport's kind.