diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 05b54ce491a..cf520f5d21b 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2011-07-02  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
+	* info-look.el (info-lookup-add-help): Clarify that ARGS is a list
+	of keyword/argument pairs (bug#6904).
+
 	* replace.el (multi-occur): Mention
 	`multi-occur-in-matching-buffers' in the doc string (bug#7566).
 
diff --git a/lisp/info-look.el b/lisp/info-look.el
index 2cfaa81d4c7..13edc0269dd 100644
--- a/lisp/info-look.el
+++ b/lisp/info-look.el
@@ -127,9 +127,9 @@ OTHER-MODES is a list of cross references to other help modes.")
 
 (defun info-lookup-add-help (&rest arg)
   "Add or update a help specification.
-Function arguments are one or more options of the form
+Function arguments are specified as keyword/argument pairs:
 
-    KEYWORD ARGUMENT
+    \(KEYWORD . ARGUMENT)
 
 KEYWORD is either `:topic', `:mode', `:regexp', `:ignore-case',
  `:doc-spec', `:parse-rule', or `:other-modes'.