Update README.md

Author: BohuTANG

README.md

@@ -200,7 +200,8 @@ Databend is licensed under [Apache 2.0](LICENSE).
 
 ## Acknowledgement
 
-- Databend is inspired by [ClickHouse](https://github.com/clickhouse/clickhouse) and [Snowflake](https://docs.snowflake.com/en/user-guide/intro-key-concepts.html#snowflake-architecture), its computing model is based on [apache-arrow](https://arrow.apache.org/).
+- Databend is inspired by [ClickHouse](https://github.com/clickhouse/clickhouse) and [Snowflake](https://docs.snowflake.com/en/user-guide/intro-key-concepts.html#snowflake-architecture).
+- Databend's computing model is based on [Arrow2](https://github.com/jorgecarleitao/arrow2), Arrow2 is a faster and safer implementation of the Apache Arrow Columnar Format.
 - The [documentation website](https://databend.rs) is hosted by [Vercel](https://vercel.com/?utm_source=databend&utm_campaign=oss).
 - Thanks to [Mergify](https://mergify.com/) for sponsoring advanced features like Batch Merge.
 - Thanks to [QingCloud](https://qingcloud.com) for sponsoring CI resources.