Update README.md

README.md

@@ -73,9 +73,10 @@ Researchers and policymakers can use these metrics to:
 
 If you use this dataset, please cite the following paper:
 > Gerring, John, Connor T. Jerzak, and Erzen Öncel. 2024. “The Composition of Descriptive Representation.” *American Political Science Review* 118(2): 784–801.  
-> [Link](https://www.cambridge.org/core/services/aop-cambridge-core/content/view/7EAEA1CA4C553AB9D76054D1FA9C0840/S0003055423000680a.pdf/the-composition-of-descriptive-representation.pdf)
+> [PDF](https://www.cambridge.org/core/services/aop-cambridge-core/content/view/7EAEA1CA4C553AB9D76054D1FA9C0840/S0003055423000680a.pdf/the-composition-of-descriptive-representation.pdf)
 >
-> ```
+
+```
 @article{Gerring2024Composition,
   title={The Composition of Descriptive Representation},
   author={Gerring, John and Jerzak, Connor T. and Öncel, Erzen},