Update app.py

app.py

@@ -213,7 +213,7 @@ def build_demo(embed_mode, concurrency_count=1):
 
         with gr.Row():
             with gr.Column(scale=3):
-                imagebox = gr.Image(type="numpy", label="Input Screenshot", placeholder="""#Try ShowUI with your screenshots!
+                imagebox = gr.Image(type="numpy", label="Input Screenshot", placeholder="""#Try ShowUI with screenshots!
                 For Windows: Win + Shift + S,
                 For macOS: Command + Shift + 3,
                 Then upload / Paste from clipboard 🤗