fix typo

tabs/leaderboard_v1_en.py

@@ -228,7 +228,7 @@ def create_leaderboard_v2_tab():
             "description": "Compare overall performance levels and stage-specific strengths of models through average SR across L1~L7 levels."
         },
         "L1": {
-            "title": "<span style='color: white;'>>L1 · Single Tool Call</span>",
+            "title": "<span style='color: white;'>L1 · Single Tool Call</span>",
             "description": "<span style='color: white;'>Evaluates single tool execution capability and basic command performance accuracy.</span>"
         },
         "L2": {