Update README.md

README.md

@@ -66,7 +66,7 @@ Collected from open-access Arabic textbooks, worksheets, and question banks sour
 ## Code and Paper
 
 - 3LM repo on GitHub: https://github.com/tiiuae/3LM-benchmark
-- 3LM paper on Arxiv: 
+- 3LM paper on Arxiv: https://arxiv.org/pdf/2507.15850
 
 ## Licensing