fix(contracts): n-01 typographical errors

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Types of changes

What types of changes does your code introduce to OpenZeppelin Midnight Contracts?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

PartiallyFix #434

PR Checklist

• I have read the Contributing Guide
• I have added tests that prove my fix is effective or that my feature works. See GUIDELINES.md#testing for more information.
• I have added documentation for new methods or changes to existing method behavior. See GUIDELINES.md#documentation for more information.
• CI Workflows Are Passing

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...

Summary by CodeRabbit

• Documentation
  • Corrected multiple documentation inaccuracies across contract files, including spelling corrections in function descriptions and module documentation to improve clarity and consistency.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 3af7209b-8727-4b3d-addf-7236e6e94639

📥 Commits

Reviewing files that changed from the base of the PR and between 736e289 and e657396.

📒 Files selected for processing (5)

• contracts/src/access/Ownable.compact
• contracts/src/access/ShieldedAccessControl.compact
• contracts/src/access/ZOwnablePK.compact
• contracts/src/token/NonFungibleToken.compact
• contracts/src/utils/Utils.compact

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Walkthrough

Documentation-only changes correcting spelling errors, removing redundant words, and updating module naming conventions across five contract files. No functional logic or control flow modifications.

Changes

Cohort / File(s)	Summary
Documentation Corrections contracts/src/access/Ownable.compact, contracts/src/access/ShieldedAccessControl.compact, contracts/src/access/ZOwnablePK.compact, contracts/src/token/NonFungibleToken.compact, contracts/src/utils/Utils.compact	Fixed spelling errors ("assertOnlyOnwer" → "assertOnlyOwner"), removed redundant words ("the the" → "the", "is is" → "is"), and standardized module documentation name ("Shielded AccessControl" → "ShieldedAccessControl").

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Suggested reviewers

• andrew-fleming
• emnul

Poem

🐰 Hop through the docs, I've found the flaws,
Typos and doubled words without a pause,
With whisker precision, each sentence refined,
Clean documentation, perfectly designed!

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Linked Issues check	⚠️ Warning	The PR addresses 5 of 7 identified typographical issues from #434 but omits 2 issues: the 'than' vs 'to' error and the step numbering/missing space issues in Uint128.	Address the remaining typographical errors: the 'than' to 'to' fix in eq(Uint<128>) docstring and the step numbering/missing space issues in Uint128 circuits.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and accurately summarizes the main change: fixing typographical errors across the contracts codebase.
Out of Scope Changes check	✅ Passed	All changes are directly related to fixing typographical errors documented in #434; no unrelated modifications are present.
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
• Commit unit tests in branch fix/n-01

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