Added text to README.md.

README.md

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 pretty_name: HunSimpleNews
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 - 1K<n<10K
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+---
+# HunSimpleNews
+
+The majority of the text simplification literature in NLP focuses on simplifying sentences.
+From a theoretical standpoint, this approach is not entirely valid as it misses vital context
+required to dissolve ambiguities in meaning, references and the process itself.
+
+HunSimpleNews is the first Hungarian text simplification corpus that includes
+the standard and simplified versions of whole documents.
+The corpus contains news article pairs taken from the Serbian Hungarian news outlet
+[Pannon RTV](https://pannonrtv.com/). The simplification was performed manually
+by a journalist of the portal.
+
+The data is licensed under the [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (cc-by-nc-sa-4.0)](https://creativecommons.org/licenses/by-nc-sa/4.0/deed.en) licence.
+
+If you use the corpus in any form, please cite the following paper (in Hungarian):
+
+    Prótár, Noémi and Nemeskey, Dávid Márk: HunSimpleNews: Az első autentikus magyar nyelvű szövegekből álló szövegegyszerűsítési korpusz.
+    In XXI. Magyar Számítógépes Nyelvészeti Konferencia (MSZNY2025), pages 197–218, Szeged.