change title app.py

app.py

@@ -42,7 +42,7 @@ css="""
 
 title = """
 <div style="text-align: center;max-width: 1500px;">
-    <h2>Chat with Documents 📚 - Falcon, Llama-2</h2>
+    <h2>Chat with Documents 📚 - Falcon and Llama-2</h2>
     <p style="text-align: center;">Upload txt, pdf, doc, docx, enex, epub, html, md, odt, ptt and pttx. 
     Wait for the Status to show Loaded documents, start typing your questions. This is a demo of <a href="https://github.com/R3gm/ConversaDocs">ConversaDocs</a>.<br /></p>
 </div>