Update sign_up_form.html
</div>
<div class="row">
<script src='https://www.google.com/recaptcha/api.js'></script>
- <div class="g-recaptcha" data-sitekey="6LfmuEIUAAAAAOf7OAgOiz1bFlqRBt1rtbn0XYMN"></div>
+ <div class="g-recaptcha" data-sitekey="SITE_KEY"></div>
<div id="missing-data-div"></div>
