Update README.md

README.md

@@ -61,7 +61,7 @@ Arxiv Preprint, 2025.](https://arxiv.org/abs/2507.19303)*
     author = "Chalkidis, Ilias and Brandl, Stephanie and Aslanidis, Paris",
     year = "2025",
     archivePrefix={arXiv},
-    primaryClass={cs.LG},
+    primaryClass={cs.CL},
     url={https://arxiv.org/abs/2507.19303}
 }