Update app.py

app.py

@@ -124,10 +124,10 @@ with gr.Blocks(theme=gr.themes.Soft(), css="#textbox_id {color: red; font-samily
         length_unit_selection = gr.Dropdown(
             choices=[
                 "Character count",
-                "Token count",
+                "Token count (BERT tokens)",
             ],
-            value=["Character count", "Token count (BERT tokens)"],
-            label="Length count",
+            value="Character count",
+            label="Length function",
             info="How should we count our chunk lengths?",
         )
         slider_count = gr.Slider(