User blog comment:GutsyTick/Standardization of Champion Pages/@comment-25467559-20150721044224/@comment-3308937-20150721072440

You can type ?action=edit after the url of any page to view its source code (normal pages have an edit button but blogs that are not your own don't).

In this case what you're looking for is the, anything using is a template so the actual page containing the code is Template:USERNAME.