diff --git a/README.md b/README.md
index ae9c601..c374319 100644
--- a/README.md
+++ b/README.md
@@ -1175,7 +1175,7 @@ class Counter:
* **Any exception that happens inside the with block is passed to the exit() method.**
* **If it wishes to suppress the exception it must return a true value.**
```python
-class MyOpen():
+class MyOpen:
def __init__(self, filename):
self.filename = filename
def __enter__(self):
diff --git a/index.html b/index.html
index 286567a..8b9ed87 100644
--- a/index.html
+++ b/index.html
@@ -1120,7 +1120,7 @@ Z = dataclasses.make_dataclass('Z', [Exit() should release the resources.
Any exception that happens inside the with block is passed to the exit() method.
If it wishes to suppress the exception it must return a true value.