Merge pull request #583 from github/gracepark-update-note-filenames

Update README.md

README.md

@@ -56,7 +56,7 @@ export default [
 ```
 
 > [!NOTE]
-> If you configured the `filenames/match-regex` rule, please note we have adapted the match regex rule into `eslint-plugin-github` as the original `eslint-filenames-plugin` is no longer maintained and needed an ESLint v9 update. Please update the name to `github/filenames-match-regex` and keep the same configuration. For e.g.:
+> If you configured the `filenames/match-regex` rule, please note we have adapted the match regex rule into `eslint-plugin-github` as the original `eslint-filenames-plugin` is no longer maintained and needed an ESLint v9/flat config update. Please update the name to `github/filenames-match-regex` and keep the same configuration. Note, that the default rule is camelCase with one hump. If there are multiple humps like `camelCaseTest.js`, this default rule will error out. Here's an example for this rule with custom configuration:
 >
 > `'github/filenames-match-regex': ['error', '^[a-z0-9-]+(.[a-z0-9-]+)?$']`