Update CHANGELOG.md

[RHmais-IM]

Checklist before requesting a review

Please delete options that are not relevant.

• I have performed a self-review of my code.
• I have added tests (when available) that prove my fix is effective or that my feature works.
• I have updated the CHANGELOG with a short functional description of the fix or new feature.
• This change requires a documentation update.

Description

• It fixes # (issue number, if applicable)
• Here is a brief description of what this PR does

Screenshots (if appropriate):

[Rom1-B]

We need to make the change to the CHANGELOG in the relevant PR, which is still open (#142), so that everything is in one place.