dm-faq: fix table_parttern_ typo to table_pattern_

[yahonda]

What is changed, added, or deleted? (Required)

Fixes a typo in the example table name: table_parttern_ should be table_pattern_, consistent with the rest of the sentence which already uses table_pattern_6.

Which TiDB version(s) do your changes apply to? (Required)

• master (the latest development version)
• v9.0 (TiDB 9.0 versions)
• v8.5 (TiDB 8.5 versions)
• v8.1 (TiDB 8.1 versions)
• v7.5 (TiDB 7.5 versions)
• v7.1 (TiDB 7.1 versions)
• v6.5 (TiDB 6.5 versions)

What is the related PR or file link(s)?

• Related code change PR links (if applicable):
• This PR is translated from:
• Other reference link(s):

AI agent involvement

• The changes in this PR were primarily made by an AI agent on behalf of the PR author.

Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
• Might cause conflicts after applied to another branch

Summary by CodeRabbit

• Documentation
  • Corrected a typo in the FAQ example for table-route wildcard matching.
  • Updated the example’s table name pattern and corresponding matched table names for consistency.

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ℹ️ Recent review info

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📥 Commits

Reviewing files that changed from the base of the PR and between 1b0fd93 and 8e556fe.

📒 Files selected for processing (1)

• dm/dm-faq.md

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📝 Walkthrough

Walkthrough

The FAQ example for table-route wildcard matching corrects the table_parttern_ typo to table_pattern_ in the pattern and matched table names.

Changes

FAQ correction

Layer / File(s)	Summary
Correct wildcard example dm/dm-faq.md	The table-route example now consistently uses table_pattern_ in the wildcard pattern and matched table names.

Priority: ⬇️ Low — Impact reflects low issue severity.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Severity of issue fixed: Low

Merge Risk: ⚪ Minimal · up to 8e556

This change corrects the table-name spelling in a DM FAQ example and is ready to merge without identified production risk.

Suggested reviewers: qiancai

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the DM FAQ file and the specific typo correction from table_parttern_ to table_pattern_.
Description check	✅ Passed	The description includes the required change summary, affected TiDB versions, reference-link section, AI involvement, and change-type checklist. It accurately matches the pull request changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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