Update app.py

app.py

@@ -1063,7 +1063,7 @@ def rag_response(query):
     Handle RAG-based queries when uploaded document context is not mentioned.
     """
     try:
-        if "using uploaded document" in query.lower():
+        if "uploaded document" in query.lower():
             # Handle document-specific queries
             return handle_document_query(query)