Update README.md

README.md

@@ -208,7 +208,7 @@ We hope that the release of the Aya model will make community-based redteaming e
 
 ## Languages Covered
 
-Below is the list of languages used in finetuning the Aya Model. We group languages into higher-, mid-, and lower-resourcedness based on a language classification by [Joshi et. al, 2020](https://microsoft.github.io/linguisticdiversity/). For further details, refer to our [paper]()
+Below is the list of languages used in finetuning the Aya Model. We group languages into higher-, mid-, and lower-resourcedness based on a language classification by [Joshi et. al, 2020](https://microsoft.github.io/linguisticdiversity/). For further details, we refer to our [paper](https://arxiv.org/abs/2402.07827)
 
 | ISO Code | Language Name   |    Script    |     Family      |    Subgrouping    | Resourcedness |
 | :------- | :-------------- | :----------: | :-------------: | :---------------: | :-----------: |