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You may modify the any warning message to the text you require. To accomplish this press the PREFERENCE button on top toolbar.
Click the ADVANCE SETTING. You will notice the option FORM WARNINGS.
In this window search the warning you like to change. To modify the message, just click on the text.
Once you have complete the modifications, please do not forget to press the SAVE button.
Hope this helps.
Really a cool application!!
On behalf of my colleague, you are welcome! If you need anything else, please open a new thread, we will be glad to assist you.