Update CHANGELOG.md

Author: alexcjohnson

Diff for: CHANGELOG.md

@@ -3,7 +3,7 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## UNRELEASED
- - Fixed two issues with px.imshow: [#4330] when facet_col is an earlier dimension than animation_frame for xarrays and [#4329] when facet_col has string coordinates in xarrays [#4331]
+ - Fixed two issues with px.imshow: [[#4330](https://github.com/plotly/plotly.py/issues/4330)] when facet_col is an earlier dimension than animation_frame for xarrays and [[#4329](https://github.com/plotly/plotly.py/issues/4329)] when facet_col has string coordinates in xarrays [[#4331](https://github.com/plotly/plotly.py/pull/4331)]
 
 ## [5.16.1] - 2023-08-16