Fix leaderboard

app.py

@@ -234,7 +234,7 @@ def obtain_top_5_users(user_ids_annotations: Dict[str, int]) -> pd.DataFrame:
     """
 
     dataframe = pd.DataFrame(
-        user_ids_annotations.items(), columns=["Username", "Aantal vertalingen"]
+        user_ids_annotations.items(), columns=["Name", "Submitted Responses"]
     )
     dataframe["Name"] = dataframe["Name"].apply(render_hub_user_link)
     dataframe = dataframe.sort_values(by="Submitted Responses", ascending=False)