Use sys.platform instead of os.name to detect Windows in asyncio docs. Patch by Akira Li.
diff --git a/Doc/library/asyncio-eventloops.rst b/Doc/library/asyncio-eventloops.rst
index afb8b9f..48825b2 100644
--- a/Doc/library/asyncio-eventloops.rst
+++ b/Doc/library/asyncio-eventloops.rst
@@ -57,9 +57,9 @@
 
 Example to use a :class:`ProactorEventLoop` on Windows::
 
-    import asyncio, os
+    import asyncio, sys
 
-    if os.name == 'nt':
+    if sys.platform == 'win32':
         loop = asyncio.ProactorEventLoop()
         asyncio.set_event_loop(loop)
 
@@ -196,4 +196,3 @@
 
    Set the current event loop policy. If *policy* is ``None``, the default
    policy is restored.
-
diff --git a/Doc/library/asyncio-subprocess.rst b/Doc/library/asyncio-subprocess.rst
index c0704cd..21dae54 100644
--- a/Doc/library/asyncio-subprocess.rst
+++ b/Doc/library/asyncio-subprocess.rst
@@ -12,9 +12,9 @@
 support subprocesses. :class:`ProactorEventLoop` should be used instead.
 Example to use it on Windows::
 
-    import asyncio, os
+    import asyncio, sys
 
-    if os.name == 'nt':
+    if sys.platform == 'win32':
         loop = asyncio.ProactorEventLoop()
         asyncio.set_event_loop(loop)