Update app.py

app.py

@@ -504,7 +504,8 @@ class Application:
 
         with st.sidebar:
             st.image("https://github.com/neuml/txtai/raw/master/logo.png", width=256)
-            st.markdown("# Workflow builder  \n*Build and apply workflows to data*  \n\nRead more on [GitHub](https://github.com/neuml/txtai)  ")
+            st.markdown("# Workflow builder  \n*Build and apply workflows to data*  ")
+            st.markdown("Workflows combine machine-learning pipelines together to aggregate logic. This application provides a number of pre-configured workflows to get a feel of how they work. Workflows can be exported and run locally through FastAPI. Read more on [GitHub](https://github.com/neuml/txtai)")
             st.markdown("---")
 
             # Component configuration