While reading a story, I found an error that I thought the author would want to know about so I scrolled to the bottom, hit "Contact Author," and sent him a message.
Then I went back to where I had been reading. Shortly afterward, I found another error so I scrolled down to send the author another message. But the "Contact Author" button wasn't there.
I left the story and came back to it. Now the "Contact Author" button was there so I sent the author the second message.
Should the "Contact Author" button have gone away?