[DOC] Delete_by_query bad option

[sebasfalcone]

What do you want to do?

• Request a change to existing documentation
• Add new documentation
• Report a technical problem with the documentation
• Other

Tell us about your request. Provide a summary of the request.
The delete_by_query section states that the options for the refresh parameter are false, true, wait_for, but the type is boolean:

If we test the wait_for option we see that it is not a valid value:

Version: List the OpenSearch version to which this issue applies, e.g. 2.14, 2.12--2.14, or all.

What other resources are available? Provide links to related issues, POCs, steps for testing, etc.

• https://opensearch.org/docs/latest/api-reference/document-apis/delete-by-query/
• Steps: Run a delete_by_query request with the refresh parameter set to wait_for

[Naarcha-AWS]

Thanks for reporting this @sebasfalcone. I'll send a fix through shortly.