Update app.py

app.py

@@ -174,7 +174,7 @@ def show_source(links) :
     with st.expander("Mostra fonti") :
         for link in links:
             reference, testo = link
-            st.info('#### ' + reference + '\n\n'+ testo)
+            st.info('##### ' + reference.replace('_', ' ') + '\n\n'+ testo)
 
 init_state()
 sidebar()