Update app.py

app.py

@@ -1129,13 +1129,14 @@ if __name__ == "__main__":
 
     with gr.Blocks(title="Paper-Based DXF Generator", theme=gr.themes.Soft()) as demo:
          # Example gallery
-        with gr.Row():
-            gr.Markdown("""
+        gr.Markdown("""
             # Paper-Based DXF Generator
             
             Upload an image with a single object placed on paper (A4, A3, or US Letter).
             The paper serves as a size reference for accurate DXF generation.
-            
+            """)
+        with gr.Row():
+            gr.Markdown("""
             **Instructions:**
             1. Place a single object on paper
             2. Select the correct paper size