Update preparation script link after directory cleanup

README.md

@@ -52,7 +52,7 @@ separate follow-up; this dataset does not assert complete platform image coverag
 `patches.json` records source hashes, patch evidence and the content-hash algorithm
 used for modified tasks. Unmodified hashes retain their upstream meaning. TAR
 sizes/checksums and task byte counts are updated. Preparation code lives in
-[prime-data](https://github.com/PrimeIntellect-ai/prime-data/blob/fix/rts-dockerfile-mirror/datasets/recursive-task-synthesis.py).
+[prime-data](https://github.com/PrimeIntellect-ai/prime-data/blob/fix/rts-dockerfile-mirror/datasets/recursive-task-synthesis/prepare.py).
 Original attribution and CC-BY-4.0 license follow below.
 
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