Update app.py

app.py

@@ -416,7 +416,7 @@ def tutor_ai_chatbot():
                 - 🗣️ Speak at normal volume and pace
                 - 📱 Use a good quality microphone
                 
-                **Using Groq Whisper API:**
+                **Using Distill Whisper API:**
                 - ✅ High accuracy transcription
                 - ✅ No more "B-B-B" or "oh-oh-oh" errors
                 - ✅ Fast and reliable