Update README.md

README.md

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 Some of the examples use external code (see headers of files for copyright notices and licenses).
 
 ## Acknowledgments
+Special thanks to [Keiran Paster](https://twitter.com/keirp1) for providing immensely valuable suggestions about the pre-training data.
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 We gratefully acknowledge the TPU Research Cloud program, which was instrumental to our research by providing significant computational resources. We are also grateful to Xinyang Geng and Hao Liu for releasing [OpenLLaMA](https://github.com/openlm-research/open_llama) checkpoints and the [EasyLM](https://github.com/young-geng/EasyLM) library.
 
 We would like to thank [Xiaosong,He](https://github.com/hxs91) for suggestions on how to improve the explanations of cross-batch code.
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