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Upon checking your form, I found that you have configured to display default thank you message. If you want to show your own text in thank you message, please check the following screenshot on how to do that:
You may also like to take a look at the following guide as well: http://www.jotform.com/help/211-Setting-Up-the-Thank-You-Page
Hope this helps.
Do get back to us if you have any questions.