-@vindex completion-header-string
-The variable @code{completion-header-string} is a string to control
-the message shown before completions. It may contain a ``%s'' to show
-the total number of completions. If nil no completions are shown.
-Text properties may be added to change the appearance, some useful
-ones are @code{face} or @code{cursor-intangible} (@pxref{Special
-Properties,,Properties with Special Meanings, elisp, The Emacs Lisp
-Reference Manual}).
+@vindex completion-header-format
+The variable @code{completion-header-format} is a formatted string to
+control the message shown before completions. It may contain a ``%s''
+to show the total number of completions. If nil no completion header
+is shown. Text properties may be added to change the appearance, some
+useful ones are @code{face} or @code{cursor-intangible}
+(@pxref{Special Properties,,Properties with Special Meanings, elisp,
+The Emacs Lisp Reference Manual}).