Update app.py

app.py

@@ -260,7 +260,16 @@ with gr.Blocks(
         <h1 style="font-size: 2.5em; margin-bottom: 0.5em;">🪄 Omnieraser</h1>
     </div>
     """)
-
+    gr.Markdown("""
+            To use this application:
+            1. Upload an image. 
+            2. Upload a pre-defined mask if you have one. (If you don't have a mask, and want to sketch one, 
+            we have provided a gradio demo in our github repository. <br/> Unfortunately, we cannot provide it here due to the compatibility issues with zerogpu.)
+            3. Set the seed (default is 1234).
+            4. Click 'Start Processing' to process the image.
+            5. The result will be displayed.
+            Note: The mask should be a binary image where the object to be removed is white and the background is black.
+    """)
     with gr.Row(equal_height=False):
         with gr.Column(scale=1, variant="panel"):
             gr.Markdown("## 📥 Input Panel")