Update CHANGELOG.md

Author: AkariiinMKII

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ### Features
 
-- **autoupdate**: Add base64 decoding for hash values fetched in json mode ([#6271](https://github.com/ScoopInstaller/Scoop/issues/6271))
+- **autoupdate**: Try decoding base64 encoded hash values in `format_hash` ([#6271](https://github.com/ScoopInstaller/Scoop/issues/6271))
 
 ## [v0.5.3](https://github.com/ScoopInstaller/Scoop/compare/v0.5.2...v0.5.3) - 2024-12-31