Update app.py

app.py

@@ -765,7 +765,7 @@ Please maintain the same LaTeX formatting as the original solution."""
 
 def perform_final_verification(revised_solution):
     """
-    Perform a final verification of the revised solution for difficulty level 5 problems.
+    Perform a final verification of the revised solution.
     """
     verification_prompt = f"""As an expert mathematician, please carefully verify this revised solution to an advanced mathematics problem.