fix(docs): Fix typo in parameter name

[mrduncan]

No description provided.

[github-actions]

	Fails
🚫	Please consider adding a changelog entry for the next release.

Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

- Fix typo in parameter name ([#2599](https://github.com/getsentry/sentry-ruby/pull/2599))

If none of the above apply, you can opt out of this check by adding #skip-changelog to the PR description.

Generated by 🚫 dangerJS against a23cc5d