Update README.md

README.md

@@ -46,7 +46,7 @@ Each JSON file contains a top-level key: `"training_data"` with a list of proof
 | `project_id`                 | The ITP project or repository path (e.g., CompCert) |
 | `theorem_name`              | Name of the theorem being proved |
 
-For convenience, structured fields such as `start_goals[*].goal`, `start_goals[*].hypotheses`, `end_goals[*].goal`, and `end_goals[*].hypotheses` are exposed directly through the Croissant metadata.
+For convenience, structured fields such as `start_goals[*].goal`, `start_goals[*].hypotheses`, `end_goals[*].goal`, and `end_goals[*].hypotheses` are exposed directly through the Croissant [metadata](https://huggingface.co/datasets/amitayusht/ProofWalaDataset/raw/main/croissant.json).
 
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