From f01a94fc585139ca8fd7434c88fea9efbed45440 Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Mon, 21 Aug 2023 15:14:26 +0300
Subject: [PATCH] ; * lisp/help-fns.el (help-display-function-type): Doc fix
 (bug#65288).

---
 lisp/help-fns.el | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lisp/help-fns.el b/lisp/help-fns.el
index 11854680dc2..99c464f8b26 100644
--- a/lisp/help-fns.el
+++ b/lisp/help-fns.el
@@ -153,7 +153,12 @@ edited even if this option is enabled."
   :version "28.1")
 
 (defcustom help-display-function-type t
-  "If non-nil, display the type of a function when available."
+  "Whether to display type specifiers of functions in \"*Help*\" buffers.
+
+The type specifier of a function is returned by `comp-function-type-spec',
+which see.  When this variable is non-nil, \\[describe-function] will \
+display the function's
+type specifier when available."
   :type 'boolean
   :group 'help
   :version "30.1")
-- 
2.39.2