Merge pull request #2686 from jpmckinney/patch-1

docs: gthread is a sync worker

docs/source/design.rst

@@ -53,6 +53,15 @@ installed and `setup <http://www.gevent.org/api/gevent.monkey.html#plugins>`_.
 Other applications might not be compatible at all as they, e.g., rely on
 the original unpatched behavior.
 
+Gthread Workers
+---------------
+
+The worker `gthread` is a threaded worker. It accepts connections in the
+main loop. Accepted connections are added to the thread pool as a
+connection job. On keepalive connections are put back in the loop
+waiting for an event. If no event happens after the keepalive timeout,
+the connection is closed.
+
 Tornado Workers
 ---------------
 
@@ -68,12 +77,6 @@ AsyncIO Workers
 
 These workers are compatible with Python 3.
 
-The worker `gthread` is a threaded worker. It accepts connections in the
-main loop, accepted connections are added to the thread pool as a
-connection job. On keepalive connections are put back in the loop
-waiting for an event. If no event happen after the keep alive timeout,
-the connection is closed.
-
 You can port also your application to use aiohttp_'s ``web.Application`` API and use the
 ``aiohttp.worker.GunicornWebWorker`` worker.