Update README.md

README.md

@@ -140,8 +140,8 @@ All the shown results are the higher accuracy scores achieved on the respective
 @misc{correa24ttllama,
   title = {TeenyTinyLlama: open-source tiny language models trained in Brazilian Portuguese},
   author = {Corr{\^e}a, Nicholas Kluge and Falk, Sophia and Fatimah, Shiza and Sen, Aniket and De Oliveira, Nythamar},
-  journal={arXiv},
-  year = {2024},
+  journal={arXiv preprint arXiv:2401.16640},
+  year={2024}
 }
 
 ```