diff --git a/CHANGELOG.md b/CHANGELOG.md
index bdbdd26d6..cf2de4c2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@
 - [#591](https://github.com/mobilityhouse/ocpp/issues/591) Camel_to_snake_case doesn't handle v2x correctly
 - [#593](https://github.com/mobilityhouse/ocpp/issues/593) Update tests to use Call and CallResult without the suffix Payload
 
+- [#577](https://github.com/mobilityhouse/ocpp/issues/577) v2.0.1 AttributeType Enum Corrections
+
 ## 0.26.0 (2024-01-17)
 
 - [#544](https://github.com/mobilityhouse/ocpp/issues/544) ocpp/charge_point.py - Pass `Call.unique_id` to the `on` and `after` routing handlers.
diff --git a/ocpp/v201/enums.py b/ocpp/v201/enums.py
index 60b2fb533..99ae9e286 100644
--- a/ocpp/v201/enums.py
+++ b/ocpp/v201/enums.py
@@ -104,8 +104,8 @@ class AttributeType(StrEnum):
 
     actual = "Actual"
     target = "Target"
-    minSet = "MinSet"
-    maxSet = "MaxSet"
+    min_set = "MinSet"
+    max_set = "MaxSet"
 
 
 class AuthorizationStatusType(StrEnum):