Fix readme typo

README.md

@@ -505,7 +505,7 @@ Citation instructions for other pretrained models can be found [in the appropria
 GPT-NeoX has been used by academic and industry researchers for a variety of high performance computing projects.
 
 ### Our Research
-EleutherAI and our colaborators have used it in the following publications:
+EleutherAI and our collaborators have used it in the following publications:
  - Sid Black, Stella Biderman, Eric Hallahan, Quentin Anthony, Leo Gao, Laurence Golding, Horace He, Connor Leahy, McDonell, Jason Phang, Michael Pieler, Prashanth, Shivanshu Purohit, Laria Reynolds, Jon Tow, Ben Wang, and Samuel Weinbach. "[GPT-NeoX-20B: An Open-Source Autoregressive Language Model](https://arxiv.org/abs/2204.06745)." In *Proceedings of the ACL Workshop on Challenges \& Perspectives in Creating Large Language Models* (2022).
  - Stella Biderman, Hailey Schoelkopf, Quentin Gregory Anthony, Herbie Bradley, Kyle O’Brien, Eric Hallahan, Mohammad Aflah Khan et al. "[Pythia: A suite for analyzing large language models across training and scaling](https://arxiv.org/abs/2304.01373)." In _International Conference on Machine Learning_, pp. 2397-2430. PMLR (2023).
  - Zhangir Azerbayev, Bartosz Piotrowski, Hailey Schoelkopf, Edward W. Ayers, Dragomir Radev, and Jeremy Avigad. "[Proofnet: Autoformalizing and formally proving undergraduate-level mathematics](https://arxiv.org/abs/2302.12433). *arXiv preprint arXiv:2302.12433* (2023).