diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac353b956..272050c3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,13 +6,15 @@
 - [#593](https://github.com/mobilityhouse/ocpp/issues/593) Update tests to use Call and CallResult without the suffix Payload
 - [#435](https://github.com/mobilityhouse/ocpp/issues/435) Typo in CostUpdated Action
 - [#577](https://github.com/mobilityhouse/ocpp/issues/577) v2.0.1 AttributeType Enum Corrections
+- [#519](https://github.com/mobilityhouse/ocpp/issues/519) Typo in v201.enums.StatusInfoReasonType.invaild_schedule
+- [#510](https://github.com/mobilityhouse/ocpp/issues/510) v2.0.1 UnitOfMeasureType - Enums missing and update docstring to allow use for variableCharacteristics
+- [#508](https://github.com/mobilityhouse/ocpp/issues/508) Exception - OccurrenceConstraintViolationError doc string correction
 
 ## BREAKING ##
 - [#574](https://github.com/mobilityhouse/ocpp/issues/574) Remove v1.6 deprecated enum members - IMPORTANT see upgrade path [#574](https://github.com/mobilityhouse/ocpp/issues/574)
-
-## BREAKING ##
 - [#498](https://github.com/mobilityhouse/ocpp/issues/498) Remove support for OCPP 2.0 - IMPORTANT SEE UPGRADE PATH [#498](https://github.com/mobilityhouse/ocpp/issues/498)
 
+
 ## 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 6d0dbb7b3..914e95cf2 100644
--- a/ocpp/v201/enums.py
+++ b/ocpp/v201/enums.py
@@ -1307,7 +1307,7 @@ class StatusInfoReasonType(StrEnum):
     invalid_id_token = "InvalidIdToken"
     invalid_message_sequence = "InvalidMessageSequence"
     invalid_profile = "InvalidProfile"
-    invaild_schedule = "InvalidSchedule"
+    invalid_schedule = "InvalidSchedule"
     invalid_stack_level = "InvalidStackLevel"
     invalid_url = "InvalidURL"
     invalid_value = "InvalidValue"