Update app.py

app.py

@@ -23,7 +23,7 @@ iface = gr.Interface(fn=classify,
                     title='STACC',
                     description='''# STACC: a set of SentenceTransformer Assisted Comment Classifiers 📚
 
-This app showcases STACC, a collection of SetFit-based Comment classifiers created for the [NLBSE-2023 tool competition](https://nlbse2023.github.io/tools/). More details on the tool itself can be found in the [GitHub repo.](https://github.com/AISE-TUDelft/STACC) 
+This app showcases STACC, a collection of SetFit-based Comment classifiers created for the [NLBSE-2023 tool competition](https://nlbse2023.github.io/tools/). More details on the tool itself can be found in the [GitHub repo](https://github.com/AISE-TUDelft/STACC) or the [paper](https://arxiv.org/abs/2302.13149). 
 
 To use the app, write a comment in the text box, and select the class you wish to test. Press Submit and watch the magic happen ✨
 ''')