Comment change.

4 files changed, 4 insertions, 1 deletions

diff --git a/lisp/progmodes/cplus-md.el b/lisp/progmodes/cplus-md.el
index 16251f10625..647f08ba493 100644
--- a/lisp/progmodes/cplus-md.el
+++ b/lisp/progmodes/cplus-md.el
@@ -2,6 +2,7 @@
 ;;; Copyright (C) 1985, 1992, 1994, 1995 Free Software Foundation, Inc.
 
 ;; This file is part of GNU Emacs.
+;; Keywords: c languages oop
 
 ;; GNU Emacs is free software; you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
diff --git a/lisp/progmodes/hideif.el b/lisp/progmodes/hideif.el
index a285b98e490..88a9cde19cc 100644
--- a/lisp/progmodes/hideif.el
+++ b/lisp/progmodes/hideif.el
@@ -4,7 +4,7 @@
 
 ;; Author: Dan LaLiberte <liberte@a.cs.uiuc.edu>
 ;; Maintainer: FSF
-;; Keywords: c
+;; Keywords: c, outlines
 
 ;; This file is part of GNU Emacs.
 
diff --git a/lisp/textmodes/ooutline.el b/lisp/textmodes/ooutline.el
index 5c6c858757f..8caf9ff3546 100644
--- a/lisp/textmodes/ooutline.el
+++ b/lisp/textmodes/ooutline.el
@@ -2,6 +2,7 @@
 ;; Copyright (C) 1986, 1993, 1994 Free Software Foundation, Inc.
 
 ;; Maintainer: FSF
+;; Keywords: outlines
 
 ;; This file is part of GNU Emacs.
 
diff --git a/lisp/textmodes/outline.el b/lisp/textmodes/outline.el
index 01e1c4d3905..ebface284b0 100644
--- a/lisp/textmodes/outline.el
+++ b/lisp/textmodes/outline.el
@@ -2,6 +2,7 @@
 ;; Copyright (C) 1986, 1993, 1994 Free Software Foundation, Inc.
 
 ;; Maintainer: FSF
+;; Keywords: outlines
 
 ;; This file is part of GNU Emacs.