Fixed some formatting.

app.py

@@ -42,7 +42,7 @@ st.sidebar.header("Model Information")
 st.sidebar.markdown("""
 **Authors**: Vukosi Marivate, Moseli Mots'Oehli, Valencia Wagner, Richard Lastrucci, Isheanesu Dzingirai
 
-**Paper**: [PuoBERTa: Training and evaluation of a curated language model for Setswana](https://link.springer.com/chapter/10.1007/978-3-031-49002-6_17)[Preprint/Arxiv](https://arxiv.org/abs/2310.09141)
+**Paper**: [PuoBERTa: Training and evaluation of a curated language model for Setswana](https://link.springer.com/chapter/10.1007/978-3-031-49002-6_17) | [Preprint/Arxiv](https://arxiv.org/abs/2310.09141)
 
 **Huggingface Space Creators**: Vukosi Marivate, Zion Van Wyk, Unarine Netshifhefhe, Thapelo Sindane
 
@@ -395,5 +395,5 @@ st.markdown("""
 }
 ```
 
-**Links**: [Paper](https://link.springer.com/chapter/10.1007/978-3-031-49002-6_17)[Preprint/Arxiv](https://arxiv.org/abs/2310.09141) | [GitHub](https://github.com/dsfsi/PuoBERTa) | [HuggingFace](https://huggingface.co/dsfsi/PuoBERTa)
+**Links**: [Paper](https://link.springer.com/chapter/10.1007/978-3-031-49002-6_17) | [Preprint/Arxiv](https://arxiv.org/abs/2310.09141) | [GitHub](https://github.com/dsfsi/PuoBERTa) | [HuggingFace](https://huggingface.co/dsfsi/PuoBERTa)
 """)