add

app.py

@@ -546,7 +546,7 @@ def get_leaderboard_dataframe():
     # Add a placeholder row when there's only 1 record
     if len(df) == 1:
         placeholder_row = pd.DataFrame([[
-            "—", "—", 0, 0, 0, 0.0, 0.0, 0.0, 0, 0, 0
+            "Submit yours to join!", "—", 0, 0, 0, 0.0, 0.0, 0.0, 0, 0, 0
         ]], columns=df.columns)
         df = pd.concat([df, placeholder_row], ignore_index=True)
         print("Added placeholder row for single-record workaround")