Fixed typo in docstring (#474)

brabiega · gvanrossum · commit 3878fa83b8ab · 2016-12-04T09:06:44.000-08:00
diff --git a/asyncio/events.py b/asyncio/events.py
@@ -356,7 +356,7 @@ def create_unix_server(self, protocol_factory, path, *,
         The return value is a Server object, which can be used to stop
         the service.
 
-        path is a str, representing a file systsem path to bind the
+        path is a str, representing a file system path to bind the
         server socket to.
 
         sock can optionally be specified in order to use a preexisting
