Fix details

app.py

@@ -44,12 +44,12 @@ def run_command(dataset, config, split, sql):
     return result
 
 with gr.Blocks() as demo:
-    gr.Markdown(" ## DuckDB demo using parquet revision")
-    dataset = gr.Textbox(label="dataset", placeholder="mstz/iris")
-    config = gr.Textbox(label="config", placeholder="iris")
-    split = gr.Textbox(label="split", placeholder="train")
+    gr.Markdown(" ## SQL Query using DuckDB for datasets server parquet files")
+    dataset = gr.Textbox(label="dataset", placeholder="mstz/iris", value="mstz/iris")
+    config = gr.Textbox(label="config", placeholder="iris", value="iris")
+    split = gr.Textbox(label="split", placeholder="train", value="train")
     sql = gr.Textbox(
-            label="Query in sql format",
+            label="Query in sql format - It should has {table} wildcard",
             placeholder=f"SELECT sepal_length FROM {TABLE_WILDCARD} LIMIT 3",
             value=f"SELECT sepal_length FROM {TABLE_WILDCARD} LIMIT 3",
             lines=3,