Sidebar image h2 title in seo

hi
i need to remove in seo result (i test with https://suite.seotesteronline.com)
multiple (9 tag h2) h2 generate from widget of sidebar( i thing that is not correct is possible to change in other for example in h3 )
the modification to put in a child thema
tnks
my site: .https://www.restaurolandiacg.it.

Hello,

I’ve just checked your sidebar and saw that you already have widget titles in H3, so is this issue already resolved?

Kind Regards, Roman.

i find in function.php but now indont know I way to change only in a child thema.

I do a modification in a parent

-------- Messaggio originale --------

Hello, please check this tutorial:

Kind Regards, Roman.