Fix header levels in changelog

Expurple · Expurple · commit b2e3ef500287 · 2025-07-14T15:54:31.000+04:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -9,13 +9,13 @@ and this project adheres to
 
 ## \[Unreleased]
 
-## Fixed
+### Fixed
 
 - Fixed the copyright holder in `LICENSE-APACHE`.
 
 ## \[1.1.2] - 2025-07-14
 
-## Fixed
+### Fixed
 
 - Fixed the copyright holder in `LICENSE-MIT`.
 
