adjust instructions

app.py

@@ -627,21 +627,20 @@ def main():
             
             2. **Leave filters empty** to search across all data
             
-            3. **Type your question** in the chat input at the bottom
+            3. **Type your question** in the chat and click "Send"
             
-            4. **Click "Send"** to submit your question
+            4. **Choose sample questions from the bottom of the page**
             
             #### 💡 Tips
             
             - Use specific questions for better results
             - Combine multiple filters for precise searches
-            - Check the "Retrieved Documents" tab to see source material
+            - Check the "Retrieved Documents" tab to get various insights
             
             #### 💬 Feedback Section
             
             - Rate your experience (1-5 stars)
             - Provide optional text feedback
-            - Help us improve the system
             - Located at the bottom of the page
             
             #### ⚠️ Important