Why does this page show "COPYCODEGOBACK" at the bottom of my form?

why does this page show "COPYCODEGOBACK" at the bottom of my form?
Here is the URL: http://www.chugiakdogmushers.com/donate.ht

I have checked the web page provided and I am not able to find any other text on the form. Were you able to fix the issue? If you are still experiencing the issue at your end, we request you get back to us with a screenshot of the issue so that we can take a look and provide you with necessary assistance.

Also, please check if there are any plugins installed on the browser is causing the issue. You may check the web page in a different browser by disabling the addons and see if it still occurs. Please see the web page below to check in FireFox safe mode.

https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode#w_safe-mode-window

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