--- a/emacs.rst	Sun Feb 27 13:33:55 2011 +0200
+++ b/emacs.rst	Sun Feb 27 15:32:57 2011 +0200
@@ -359,7 +359,15 @@
 
 * Edit HTML.
 
-html-helper-mode
 psgml-mode
 nxml-mode
 sgml-mode
+
+** html-helper-mode.
+
+Highlighting, autocompletion, and auto-insertion of closing tags.
+
+  http://www.emacswiki.org/emacs/HtmlHelperMode
+  http://savannah.nongnu.org/projects/baol-hth/
+  http://www.nongnu.org/baol-hth/
+