Update app.py

app.py

@@ -130,7 +130,7 @@ def main():
         - **Keyword extraction** from relevant articles for enhanced context-based responses.
 
         ## GitHub Repository:
-        You can find the source code and more information about this app on GitHub: [GitHub Repository Link](https://github.com/yourusername/your-repository-name)
+        You can find the source code and more information about this app on GitHub: [GitHub Repository Link](https://github.com/VeerapatSintupong123/RAG-Mistral)
     """)
 
     # Initialize the vector index