Update CHANGELOG.md

Author: hombit

CHANGELOG.md

@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Mark the module as no-GIL, which enables free-threading Python (can be built from source, not provided so far) https://github.com/light-curve/light-curve-python/pull/499
+- Mark the module as no-GIL, which enables free-threaded Python (can be built from source, not provided so far) https://github.com/light-curve/light-curve-python/pull/499
 
 ### Changed