fix issue with datetime

app.py

@@ -181,16 +181,15 @@ def get_last_refresh_time(path) -> str:
 
 
 with block:
-    gr.Markdown("""
-    # 🏆 Deep Reinforcement Learning Course Leaderboard 🏆 
-    
-    Presenting the latest leaderboard from the Hugging Face Deep RL Course.
-    """)
-    
     path_ = download_leaderboard_dataset()
-
     # Get the last refresh time
     last_refresh_time = get_last_refresh_time(path_)
+
+    gr.Markdown(f"""
+    # 🏆 Deep Reinforcement Learning Course Leaderboard 🏆 
+    
+    Presenting the latest leaderboard from the Hugging Face Deep RL Course - refresh ({last_refresh_time}).
+    """)
     
     gr.Markdown(f"**Last Data Refresh:** {last_refresh_time}")