# Page Not Found

The URL `v/10.latest-lts/extending/language-files` does not exist.

You might be looking for one of these pages:
- [Language Files & Localization](https://docs.umbraco.com/umbraco-cms/extending/language-files.md)
- [Adding Language Variants](https://docs.umbraco.com/umbraco-cms/tutorials/creating-a-basic-website/adding-language-variants.md)
- [Upgrade Details](https://docs.umbraco.com/umbraco-cms/fundamentals/setup/upgrading/upgrade-details.md)
- [Language file for packages](https://docs.umbraco.com/umbraco-cms/extending/packages/language-files-for-packages.md)
- [Packages](https://docs.umbraco.com/umbraco-cms/extending/packages.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.umbraco.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.umbraco.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/umbraco-cms/extending/language-files.md`)
- Use `Accept: text/markdown` header for content negotiation