Unexpected character `!` (from `<!--`) in markdown files breaks mintlify

[jsoref]

https://github.com/check-spelling-sandbox/botpress-docs/actions/runs/16945146848/job/48024122678

Error: Syntax error - Unable to parse .github/actions/spelling/advice.md - 1:2: Unexpected character ! (U+0021) before name, expected a character that can start a name, such as a letter, $, or _ (note: to create a comment in MDX, use {/* text */})

https://github.com/check-spelling-sandbox/botpress-docs/blob/4680ac1190917324aa59a1c2537a3699abc1178c/.github/actions/spelling/advice.md?plain=1#L1

<!-- See https://github.com/check-spelling/check-spelling/wiki/Configuration-Examples%3A-advice --> <!-- markdownlint-disable MD033 MD041 -->

See also

• https://github.com/mintlify/docs/issues/351