Add paper link, code link, and license metadata

README.md

@@ -1,11 +1,12 @@
 ---
-pretty_name: Copiale Lines
-task_categories:
-- image-to-text
 language:
 - de
+license: mit
 size_categories:
 - 1K<n<10K
+task_categories:
+- image-to-text
+pretty_name: Copiale Lines
 viewer: true
 ---
 
@@ -13,7 +14,9 @@ viewer: true
 
 Copiale Lines is a line-level image-to-text dataset for historical cipher decipherment. It contains cropped line images from the Copiale manuscript paired with plaintext ground truth.
 
-This dataset is used in the paper *Learning to Decipher from Pixels: A Case Study of Copiale* (HistoCrypt 2026).
+This dataset was presented in the paper [Learning to Decipher from Pixels -- A Case Study of Copiale](https://huggingface.co/papers/2604.23683) (HistoCrypt 2026).
+
+**Code:** [https://github.com/leitro/Decipher-from-Pixels-Copiale](https://github.com/leitro/Decipher-from-Pixels-Copiale)
 
 ## Dataset Structure