diff --git a/pep-0492.txt b/pep-0492.txt
index 4eb937dc7..5e3e0f62f 100644
--- a/pep-0492.txt
+++ b/pep-0492.txt
@@ -386,9 +386,9 @@ which is semantically equivalent to::
 
     mgr = (EXPR)
     aexit = type(mgr).__aexit__
-    aenter = type(mgr).__aenter__(mgr)
+    aenter = type(mgr).__aenter__
 
-    VAR = await aenter
+    VAR = await aenter(mgr)
     try:
         BLOCK
     except: