Update README.md

README.md

@@ -114,7 +114,7 @@ Conclusion:
 
 ### Training Data
 
-The training dataset comprises scientific papers generated by the Galactica, GPT-2, SCIgen, and ChatGPT models, as well as papers extracted from the Arxiv database.
+The training dataset comprises scientific papers generated by the Galactica, GPT-2, SCIgen, and ChatGPT models, as well as papers extracted from the arXiv database.
 
 The provided table displays the sample counts from each source utilized in constructing the training dataset. 
 The dataset could be found in https://huggingface.co/datasets/tum-nlp/IDMGSP.