Change "Submit" in own language

Can anyone tell me how I can change the button name "submit" to my own language (Dutch) in the contact forms, look:

http://www.ogenblikske.nl/wordpress/contact/reserveren/

 

It is not possible to change its text because it is a image, If you want to change it then

Go to images directory present in your theme directory and replace your image with present submit image or edit it.

The name of image is "submit.png"

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Note:- Use same name for your edited image and remove the current image.​

 

Thanks! it workerd great.

One question left: Can I delete the goldeneagle-trial version ? Or are there some connections between the trial and the goldeneagletheme? Thanks..

 

There is no relation between trial and pro, You can delete trial version.

 

Thanks!