Link watermark blog to doc

[stefnestor]

Summary

Cross-link new watermark blog from watermark doc.

Generative AI disclosure

1. Did you use a generative AI (GenAI) tool to assist in creating this contribution?

• Yes
• No

[github-actions]

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[github-actions]

🔍 Preview links for changed docs

• troubleshoot/elasticsearch/fix-watermark-errors.md

[github-actions]

✅ Elastic Docs Style Checker (Vale)

No issues found on modified lines!

---

The Vale linter checks documentation changes against the Elastic Docs style guide. To use Vale locally or report issues, refer to Elastic style guide for Vale.

[github-actions]

Docs review summary

Focus areas

• Style and clarity: One minor nit on first-person phrasing; otherwise the added content is clear and concise.
• Jargon: None introduced.
• Frontmatter and applies_to: No changes; the pre-existing mapped_pages Vale warning (line 3) was not introduced by this PR.
• Content type fit: :::{tip} admonition appropriately supplements the troubleshooting content with a related external resource.
• Parent issue satisfaction: Satisfied — the PR adds a cross-link to the watermark blog post exactly as requested.

Nits

• Line 55: "our blog" uses first-person possessive. Consider "the Elastic blog post" to stay consistent with the style guide's guidance to use first-person language sparingly in docs.

Notes

• The only Vale finding (mapped_pages on line 3) is pre-existing and not introduced by this diff; no action needed.

Generated by Docs review agent for issue #7036 · 77.6 AIC · ⌖ 18.1 AIC · ⊞ 32.9K · ◷

[shainaraskas]

Approving with a suggestion.