Add Github repo link and data details

This PR adds a link to the associated Github repository and details about the datasets provided.

README.md

@@ -3,12 +3,19 @@ license: mit
 task_categories:
 - question-answering
 ---
+
 This dataset accompanies the paper:
 
 **[When Do LLMs Admit Their Mistakes? Understanding the Role of Model Belief in Retraction](https://arxiv.org/abs/2505.16170)**
 
 It includes the original Wikidata questions used in our experiments, with train/test split. For a detailed explanation of the dataset construction and usage, please refer to the paper.
 
+This repository provides:
+* **Original datasets:** `wikidata_{train,test}_free.jsonl`, `celebrity_{train,test}_free.jsonl`.
+* **Continuation datasets:** for Llama3.1-8B, Qwen2.5-7B, and Olmo2-7B.
+
+Code: https://github.com/YuqingYang125/retraction
+
 ## Citation
 ```bibtex
 @misc{yang2025llmsadmitmistakesunderstanding,