Update app.py

app.py

@@ -15,7 +15,7 @@ LEADERBORAD_INTRODUCTION = """# AutoEval-Video Leaderboard
     """
 
 SUBMIT_INTRODUCTION = """# Submit Introduction
-1. Format your model output as a JSON file, following the [example](https://github.com/Xiuyuan-Chen/AutoEval-Video/blob/main/prediction_sample.json) provided in our GitHub repository.
+1. Format your model output as a JSON file, following the example provided in our [GitHub repository](https://github.com/Xiuyuan-Chen/AutoEval-Video/blob/main/prediction_sample.json).
 2. Assign a unique "model name" for your results.
 3. Include the link to your model's repository with each submission.
 4. After selecting 'Evaluation', allow approximately one hour for your model's results to be processed. To view the most recent results in the leaderboard, click 'Refresh'.