Update app.py

app.py

@@ -35,7 +35,7 @@ def _handle_pygm_solve(
     )
     solved_time = time.time() - start_time
     
-    message = "Successfully solve the TSP problem, using time ({:.3f}s).".format(solved_time)
+    message = "Successfully solve the PYGM problem, using time ({:.3f}s).".format(solved_time)
     
     return message, PYGM_SOLUTION_1_PATH, PYGM_SOLUTION_2_PATH