If I remember correctly, it used to say something like "already accelerated".
I am just noticing this post. When I help someone to accelerate a transaction just a week ago before Ordinals transactions are spamming ViaBTC free accelerator with bots, I still saw it written like in the image on the link I have posted before some weeks ago on this forum, just as it is in the image below.
After the submission has been successful, you will see the text which I think you are also referring to. But if you want to submit the transaction again, you will see this text in orange in the image below:
