bug#30506: Say Added by package.el

[積丹尼 Dan Jacobson]

In one's .emacs file, one might find

;; Added by Package.el.  This must come before configurations of
;; installed packages.  Don't delete this line.  If you don't want it,
;; just comment it out by adding a semicolon to the start of the line.
;; You may delete these explanatory comments.
(package-initialize)

Well it should say Added by package.el . There is no Package.el on the
system and the user will spend a long time looking for it.