Update app.py

app.py

@@ -102,8 +102,9 @@ elif not api_key and uploaded_file is not None:
 st.markdown("---")
 st.markdown("""
 ### How to use:
-1. Enter your NVIDIA API key
-2. Upload an image (PNG, JPG, or JPEG)
-3. Wait for the analysis result
-4. Get a Yes/No answer based on whether the image is AI-generated
+
+1. Upload an image ** (PNG, JPG, or JPEG) **
+2. Wait for the analysis result
+3. Get a ** Yes/No ** answer based on whether the image is AI-generated
+
 """)