Adding some help

app.py

@@ -50,9 +50,19 @@ def reset_conversation():
 
 models =[key for key in model_links.keys()]
 
-selected_model = st.sidebar.selectbox("Select Model", models)
+selected_model = st.sidebar.selectbox(
+    "Select Model",
+    models,
+    help="Choose your AI model:\n• Llama-3.2: Balanced & versatile\n• Qwen2.5: Strong in reasoning\n• Phi-3.5: Good at technical tasks"
+)
 
-temp_values = st.sidebar.slider('Select a temperature value', 0.0, 1.0, (0.5))
+temp_values = st.sidebar.slider(
+    'Select a temperature value', 
+    0.0, 
+    1.0, 
+    (0.5),
+    help="Controls randomness in responses: 0 = focused/deterministic, 1 = more creative/random"
+)
 
 custom_instructions = st.sidebar.text_area(
     "Custom Instructions",