This particular option can be found by logging into your blog's admin area and going to:
"Appearance" > "P3 Customize" > "Comments" > "Header"
"Appearance" > "P3 Customize" > "Comments" > "Header"
The ProPhoto theme can display the “display name” of each post’s author within the comments area header. When turned on, the author will display to the left of that post’s comments count.
To change the word “by” that appears before the author name, look under the “Settings” > “Translation” tab.
You can also customize the padding between the elements within the comments area header and the edges of the of this header.
These settings become particularly important when adding a background image to your post comments area header. You can see an example of this below.
