chore: changelog update

[exploreriii]

Description:

Related issue(s):

Fixes #224

Notes for reviewer:

Checklist

• Documented (Code comments, README, etc.)
• Tested (unit, integration, etc.)

[coderabbitai]

Walkthrough

A single line in CHANGELOG.md is modified, changing the leading character from a hyphen to a plus sign in a changelog entry documenting a README.md testnet link fix. No functional code changes are present.

Changes

Cohort / File(s)	Summary
Changelog Update CHANGELOG.md	Modified changelog entry formatting by replacing leading hyphen with plus sign in the docstring fix entry (#1879).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~1 minute

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Linked Issues check	❓ Inconclusive	Issue #224 provides no specific coding requirements or acceptance criteria, only states it is for testing with various labels, making compliance assessment inconclusive.	Clarify the specific requirements or acceptance criteria for issue #224 to properly validate whether the changelog update fulfills the intended objectives.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'chore: changelog update' accurately describes the main change, which is a changelog update to fix a testnet link reference.
Description check	✅ Passed	The pull request description is minimally populated with only the template structure and a reference to issue #224, but it is related to the changelog update.
Out of Scope Changes check	✅ Passed	The single CHANGELOG.md change is directly aligned with the PR objective of a changelog update and the issue reference, with no unrelated modifications detected.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch dummy-test

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Actionable comments posted: 1

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ℹ️ Review info

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 8022b93 and f18e3e0.

📒 Files selected for processing (1)

• CHANGELOG.md

[coderabbitai]

⚠️ Potential issue | 🟡 Minor

Remove the trailing space at the end of the changelog entry.

Line 43 has one trailing whitespace character (MD009), which can fail markdown lint checks.

Proposed fix

-- doc: Fix testnet link in README.md. (`#1879`) 
+- doc: Fix testnet link in README.md. (`#1879`)

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change

	- doc: Fix testnet link in README.md. (#1879)
	- doc: Fix testnet link in README.md. (`#1879`)

🧰 Tools

🪛 markdownlint-cli2 (0.21.0)

[warning] 43-43: Trailing spaces
Expected: 0 or 2; Actual: 1

(MD009, no-trailing-spaces)