improve the description of gevent.

sysulq · sysulq · commit 345c1e7f1299 · 2014-07-03T22:59:56.000+08:00
diff --git a/docs/scenarios/network.rst b/docs/scenarios/network.rst
@@ -31,4 +31,4 @@ gevent
 ------
 
 `gevent <http://www.gevent.org/>`_ is a coroutine-based Python networking library
-that uses greenlets and libevent event loops.
+that uses greenlets to provide a high-level synchronous API on top of the libev event loop. 
