Update app.py

app.py

@@ -264,7 +264,7 @@ if st.session_state.chat_history and st.session_state.chat_history[-1][0] == "us
         
         if isinstance(message, tuple):
             # This is a tool-related message.
-            # Use a simple heuristic: if the text contains "call_" (case-insensitive), treat it as a tool call.
+            # We use a simple heuristic: if the text contains "call_" (case-insensitive), we treat it as a tool call.
             role, text = message
             if "call_" in text.lower():
                 tool_calls_text += text + "\n\n"
@@ -294,3 +294,4 @@ if st.session_state.chat_history and st.session_state.chat_history[-1][0] == "us
         f"**Final Answer:**\n\n{final_answer_text}"
     )
     st.session_state.chat_history.append(("assistant", combined_response))
+