Update app.py

app.py

@@ -666,7 +666,7 @@ class PromptBox(gr.HTML):
     """
     Prompt textarea with an internal footer slot (.ds-footer) where we can inject dropdowns.
     """
-    def __init__(self, value="", placeholder="Describe what you want...", **kwargs):
+    def __init__(self, value="", placeholder="دستور ساخت ویدیو را اینجا بنویسید...", **kwargs):
         uid = uuid.uuid4().hex[:8]
 
         html_template = f"""