Fix link to SATRN paper

README.md

@@ -89,5 +89,5 @@ If you would like to learn more about the Swedish National Archives HTR pipeline
 - [Swedish National Archives](https://www.riksarkivet.se/)
 - [MMDetection](https://github.com/open-mmlab/mmdetection)
 - [MMOCR](https://github.com/open-mmlab/mmocr)
-- [SATRN Paper](https://arxiv.org/abs/2012.05483)
+- [SATRN Paper](https://arxiv.org/abs/1910.04396)
 - [OpenMMLab OCR Toolbox](https://openmmlab.com/mmocr/)