rename 'async_timeout' to 'async-timeout' in README (#3)

rutsky · asvetlov · commit ccc52e7c2cd4 · 2016-12-18T20:47:44.000+02:00
diff --git a/README.rst b/README.rst
@@ -1,4 +1,4 @@
-async_timeout
+async-timeout
 =============
 
 asyncio-compatible timeout context manager.
@@ -32,7 +32,7 @@ Installation
 
 ::
 
-   $ pip install async_timeout
+   $ pip install async-timeout
 
 The library is Python 3 only!
 
