Logo in header booboo

Hi

I have messed up my logo I originally loaded when I installed. The logo is situated in my header. It is save on my Cpanel nder the images of contect, but I don’t know how to link it to the logo place under editor. I also don’t know what path to use.

Here is the link to my blog: http://www.colettegildenhuys.com/ so you can me my booboo.

Thanks.