Update app.py

app.py

@@ -120,7 +120,9 @@ if "best_params" in st.session_state:
     )
     signal_threshold = st.sidebar.slider(
         "Signal Threshold", -0.05, 0.05, st.session_state["signal_threshold"], 0.01,
-        help="Signal Threshold modifies the sensitivity of buy and sell signals. A lower threshold generates more signals, while a higher threshold makes the signals more restrictive and less frequent."
+        help=("Signal Threshold adjusts the sensitivity of buy/sell signals relative to the EMA envelopes. "
+              "Lower (negative) values make the strategy more lenient by generating more signals with smaller price deviations. "
+              "Higher (positive) values make the strategy more restrictive, requiring larger price movements to trigger fewer but potentially more reliable signals.")
     )
     st.session_state["signal_threshold"] = signal_threshold