chore: add the missing backticks in the comment

[todaymoon]

Description

add the missing backticks in the comment

Notes & open questions

Change checklist

• [x] I have performed a self-review of my own code
• [ ] I have made corresponding changes to the documentation
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] A changelog entry has been made in the appropriate crates

[todaymoon]

Anything need I to do? I am glad to do it.

[todaymoon]

friendly ping

[elenaf9]

friendly ping

Hi! We had quite an influx of airdrop farming, so we decided to generally just bundle together all PRs that only do small typo-fixes. We'll include the change of this PR in the next bundle :)

[jxs]

superseeded by #6146