Update app.py

app.py

@@ -198,7 +198,7 @@ with block:
     
     Just choose which environment you trained your agent on and with Ctrl+F find your rank 🏆
 
-    ** If you don't find your model, go to the bottom of the page and click on the refresh button**
+    **If you don't find your model, go to the bottom of the page and click on the refresh button**
     
     We use **lower bound result to sort the models: mean_reward - std_reward.**