Captcha is being displayed in English, while not all websites are using English, here's a fix to have the captcha's message in your Joomla's configured language.

Open file: components/com_community/helpers/recaptcha.php
On line 67 find

<script src="<?php echo $this->apiUrl;?>?onload=jomsRecaptchaCallback&render=explicit" async defer></script>

<script src="<?php echo $this->apiUrl;?>?onload=jomsRecaptchaCallback&render=explicit&hl=<?php echo JFactory::getLanguage()->getTag()  ?>" async defer></script>

Hi,

thank you for your input, I will report this to our developer.

thank you!

You're welcome