Is it me or is recaptcha images cannot be translated to another language other than EN? I have
Just to minimize the answers above.
It's not necessary to additionally add another saying the same as you already do with your html (reCAPTCHA) element. Changing the link of the API will also work.
For me I've changed the language code to nl
(dutch) after &hl=
.
But you can find your own language code at:
https://developers.google.com/recaptcha/docs/language