# Apache Arrow Documentation This directory contains source files for building the main project documentation. This includes the [Arrow columnar format specification][2]. Instructions for building the documentation site are found in [docs/source/developers/documentation.rst][1]. The build depends on the API documentation for some of the project subcomponents. [1]: https://github.com/apache/arrow/blob/main/docs/source/developers/documentation.rst [2]: https://github.com/apache/arrow/tree/main/docs/source/format