fix comment
diff --git a/Lib/_pyio.py b/Lib/_pyio.py
index cafc51c..aea9a2e 100644
--- a/Lib/_pyio.py
+++ b/Lib/_pyio.py
@@ -9,7 +9,7 @@
 import abc
 import codecs
 import warnings
-# Import _thread instead of threading to reduce startup cost
+# Import thread instead of threading to reduce startup cost
 try:
     from thread import allocate_lock as Lock
 except ImportError: