Update CHANGELOG.md

Author: ivorbosloper

CHANGELOG.md

@@ -7,7 +7,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
-- Change default temporal property to determination:datetime
+- Change default temporal property to datetime
 - Enable Converter.columns list and tuple types
 
 ## [v0.2.11] - 2025-10-09