fix explanation

app.py

@@ -70,12 +70,12 @@ def main(input_text: str) -> Tuple[float, str]:
 if __name__ == "__main__":
     demo = gr.Interface(
         fn=main,
-        title="Demo",
-        description="The input text is highlighted based on readability. (The higher the surprisal, the more difficult to read.)",
+        title="Demo: Highlight text based on eye movement",
+        description="Text is highlighted based on surprisal. (The higher the surprisal, the more difficult to read.)",
         inputs=gr.inputs.Textbox(
             lines=5,
             label="Text",
-            placeholder="input text here",
+            placeholder="Input text here",
         ),
         outputs=[
             gr.Number(label="Surprisal"),