Documentation is incoherent

[jsoref]

https://github.github.com/gh-aw/reference/frontmatter/#ai-credits-guardrail-max-ai-credits

There are two non-negative examples. Both have an M suffix. One has a comment of the form Equivalent shorthand

Please correct the example to actually make sense.

[pelikhan]

Thanks - fixed https://github.com/github/gh-aw/blob/main/docs/src/content/docs/reference/frontmatter.md