Update app.py

app.py

@@ -43,7 +43,7 @@ with st.expander("🐈 About", expanded=False):
         """
         This is an example of a Space using a streamlit template to wrap a search engine hosted elsewhere, in this case the ChatNoir search engine. ChatNoir is an Elasticsearch-based search engine offering a freely accessible search interface for the two ClueWeb corpora and the Common Crawl, together about 3 billion web pages. This version of the search engine uses the [Search API](https://www.chatnoir.eu/doc/api/) by way of the Python [chatnoir-api](https://pypi.org/project/chatnoir-api/) Package.
 
-If you find this project useful in your research, please consider citing:
+If you find this project useful in your research, please consider citing: TODO Add Spacerini for the template itself
  
 ```
 @InProceedings{bevendorff:2018,