fixed BERTopic name

app.py

@@ -27,7 +27,7 @@ st.title("News Topic Clustering")
 st.caption("By Rajiv Shah")
 st.caption("")
 st.caption("This is a simple example of using identifying topics in the [one million ABC news headline dataset](https://huggingface.co/datasets/rshah/million-headlines).  \
-    If you look at the code for this app, you will see how it uses just a few lines of [BertTopic](https://maartengr.github.io/BERTopic/index.html) to \
+    If you look at the code for this app, you will see how it uses just a few lines of [BERTopic](https://maartengr.github.io/BERTopic/index.html) to \
          build the topics and create the visualizations")
 st.caption("The preloaded existing model provides the more interesting results.  However, this app can be run live by building a new model, but \
     is limited to a small number of rows. I also limited topics over time to the existing model.")