I want to change an image reference

now he disappeared ..

Do you have “FTP” access?

yes

I think this change will involve creating a child theme: https://codex.www.ads-software.com/Child_Themes

Could you link to a page that has this image too?

yes you have right.. only with a child theme i can change that. I like this theme chocolat very much, but i have few thinks i would like to change. i can try with this. thank you a lot, you are very kind and i dont speak good english. but i hope you can understand me ?? thank you again