diff --git a/lisp/doc-view.el b/lisp/doc-view.el
index 9f5dc40ea16..244f4112ba4 100644
--- a/lisp/doc-view.el
+++ b/lisp/doc-view.el
@@ -29,10 +29,11 @@
 
 ;;; Commentary:
 
-;; DocView is a document viewer for Emacs.  It converts PDF, PS and DVI files
-;; to a set of PNG files, one PNG for each page, and displays the PNG images
-;; inside an Emacs buffer.  This buffer uses `doc-view-mode' which provides
-;; convenient key bindings for browsing the document.
+;; DocView is a document viewer for Emacs.  It converts a number of
+;; document formats (including PDF, PS, DVI, Djvu and ODF files) to a
+;; set of PNG files, one PNG for each page, and displays the PNG
+;; images inside an Emacs buffer.  This buffer uses `doc-view-mode'
+;; which provides convenient key bindings for browsing the document.
 ;;
 ;; To use it simply open a document file with
 ;;