chore(docs): update CHANGELOG.md

Author: MightyCreak

CHANGELOG.md

@@ -11,6 +11,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Update release process documentation (@MightyCreak)
 
+### Fixed
+
+- Fix [#246](https://github.com/MightyCreak/diffuse/issues/246): Re-instate ability
+  to provide multiple revs eg diffuse -r v1 -r v2 file (@bhepple)
+
 ## [0.10.0] - 2025-05-24
 
 ### Changed