diff --git a/Lib/asyncio/locks.py b/Lib/asyncio/locks.py
index 1804d7b..842d621 100644
--- a/Lib/asyncio/locks.py
+++ b/Lib/asyncio/locks.py
@@ -111,7 +111,7 @@
     acquire() is a coroutine and should be called with 'yield from'.
 
     Locks also support the context management protocol.  '(yield from lock)'
-    should be used as context manager expression.
+    should be used as the context manager expression.
 
     Usage: