Hey there!
When certain characters aren't being displayed properly, this is often an issue with the character set of the database the site is using.
You may want to see if your database is using the UTF8 character set using the details here:
Introduction The default character set or collation for MySQL is set to latin1 for database, What is the default character set for MySQL on cPanel & WHM servers? Sometimes you will need to ch...
support.cpanel.net
If you make that switch, and that does indeed resolve the issue, you can apply that change permanently with these steps:
Introduction How do I change the default Character set within MySQL/MariaDB to utf8? Procedure In order to set change the default character set within MySQL/MariaDB follow the steps below: ...
support.cpanel.net
Let me know if that helps!