Variable: todo-comment-string
todo-comment-string is a customizable variable defined in
todo-mode.el.gz.
Value
"COMMENT"
Documentation
String inserted before optional comment appended to done item.
Source Code
;; Defined in /usr/src/emacs/lisp/calendar/todo-mode.el.gz
(defcustom todo-comment-string "COMMENT"
"String inserted before optional comment appended to done item."
:type 'string
:initialize 'custom-initialize-default
:set 'todo-reset-comment-string
:group 'todo-edit)