[docs] Fix changelog.md.

Author: Breakthrough

website/pages/changelog.md

@@ -30,11 +30,6 @@ Feedback on the new detection methods and their default values is most welcome.
  - [bugfix] Fix crash when decoded frames have incorrect resolution and log error instead [#319](https://github.com/Breakthrough/PySceneDetect/issues/319)
  - [bugfix] Update default ffmpeg stream mapping from `-map 0` to `-map 0:v:0 -map 0:a? -map 0:s?` [#392](https://github.com/Breakthrough/PySceneDetect/issues/392)
 
-#### 0.6.4.1 (TBD)
-
- - [bugfix] Fix `default-detector` config option not working with new detectors
- - [bugfix] Fix SyntaxWarning due to incorrect string escaping in command-line (#400)
-
 
 ### 0.6.3 (March 9, 2024)
 
@@ -590,4 +585,6 @@ Development
 
  - [bugfix] Fix new detectors not working with `default-detector` config option
  - [bugfix] Fix `SyntaxWarning` due to incorrect escaping [#400](https://github.com/Breakthrough/PySceneDetect/issues/400)
- - [bugfix] Fix `ContentDetector` crash when using callbacks [#416](https://github.com/Breakthrough/PySceneDetect/issues/416)
+ - [bugfix] Fix `ContentDetector` crash when using callbacks [#416](https://github.com/Breakthrough/PySceneDetect/issues/416) [#420](https://github.com/Breakthrough/PySceneDetect/issues/420)
+ - [general] Timecodes of the form `MM:SS[.nnn]` are now processed correctly [#443](https://github.com/Breakthrough/PySceneDetect/issues/443)
+ - [api] The `save_to_csv` function now works correctly with paths from the `pathlib` module