diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog
index 7e4480fd35b..4a28acbb92c 100644
--- a/doc/lispref/ChangeLog
+++ b/doc/lispref/ChangeLog
@@ -1,3 +1,7 @@
+2010-06-20  Chong Yidong  <cyd@stupidchicken.com>
+
+	* modes.texi (Minor Mode Conventions): Fix typo (Bug#6477).
+
 2010-06-19  Chong Yidong  <cyd@stupidchicken.com>
 
 	* errors.texi (Standard Errors): Remove unnecessary markup
diff --git a/doc/lispref/modes.texi b/doc/lispref/modes.texi
index e5eb90863af..858226ecdfc 100644
--- a/doc/lispref/modes.texi
+++ b/doc/lispref/modes.texi
@@ -1342,7 +1342,7 @@ or like this, using @code{add-to-list} (@pxref{List Variables}):
   Global minor modes distributed with Emacs should if possible support
 enabling and disabling via Custom (@pxref{Customization}).  To do this,
 the first step is to define the mode variable with @code{defcustom}, and
-specify @code{:type boolean}.
+specify @code{:type 'boolean}.
 
   If just setting the variable is not sufficient to enable the mode, you
 should also specify a @code{:set} method which enables the mode by