Fix overlapping note text in SASE diagram caption

[hugo-vicente11]

Summary

Fixes overlapping caption text under the network architecture diagram in the SASE reference architecture page. The second "Note" was wrapped in a malformed multi-line <sub> block, which caused it to render on top of the preceding note instead of as a separate paragraph. Converted it to a standard italic note paragraph, consistent with the rest of the docs.
No changelog entry needed (typo/rendering fix), no new page, and no files were renamed, so the rest of the checklist items don't apply here.

Screenshots

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[cloudflare-docs-bot]

Review

⚠️ 1 warning found in commit 99f9140.

👉 Fix in your agent 👈

Fix the following review findings in PR #32829 (https://github.com/cloudflare/cloudflare-docs/pull/32829).

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## Style Guide Review

### Warnings (1)

#### SG-b0d596ac1c73 · Monospace IP addresses
- **File:** `src/content/docs/reference-architecture/architectures/sase.mdx` line 345
- **Issue:** Line contains `100.96.0.0/12` in plain prose
- **Fix:** Wrap the CIDR in backticks: `100.96.0.0/12`

Code Review

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Conventions

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Style Guide Review

Warnings (1)

File	Issue
reference-architecture/architectures/sase.mdx line 345	Monospace IP addresses — Line contains 100.96.0.0/12 in plain prose Fix: Wrap the CIDR in backticks: 100.96.0.0/12

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[Copilot]

Pull request overview

This PR fixes a rendering issue on the SASE reference architecture page where a second note under the “Connecting and routing traffic…” diagram was wrapped in a malformed multi-line <sub> block, causing caption text overlap. The change normalizes the note formatting to match surrounding documentation patterns so the caption renders as two separate note paragraphs.

Changes:

• Removed the malformed multi-line <sub> wrapper around the second note under the diagram caption.
• Replaced it with a standard italic “Note: …” paragraph consistent with the adjacent note formatting.

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