Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: yifancong

packages/document/docs/en/guide/start/ai.mdx

@@ -89,7 +89,7 @@ rsdoctor-agent <group> <subcommand> --data-file <path>
 rsdoctor-agent bundle optimize --data-file ./dist/rsdoctor-data.json --side-effects-page-size 10
 
 # Example: return only required fields
-rsdoctor-agent packages duplicates --data-file ./dist/rsdoctor-data.json --filter "<command-specific-filter>"
+rsdoctor-agent query packages_duplicates --data-file ./dist/rsdoctor-data.json --filter "<command-specific-filter>"
 ```
 
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