Change the language of Adobe Sign email messages

I have an Adobe DC account.
I created WEB signature forms using the Hungarian language.
The Hungarian language worked perfectly for creation, filling and signing, but the emails sent by Adobe are in English.
This is also strange, because when I receive a contract from someone else using Adobe Sign, the text of the email is also in Hungarian.
I found a help that is supposed to tell you how to set this up. But I can't get to the screen in it from my account.
https://helpx.adobe.com/hu/sign/using/multilanguage-sending-signing.html