emacs-28 80736aef90: Fix which-func-update doc string

[Lars Ingebrigtsen]

branch: emacs-28
commit 80736aef9085ad04e59902b0d0a31fb1f663858b
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Fix which-func-update doc string
    
    * lisp/progmodes/which-func.el (which-func-update): Make the doc
    string match the code (bug#54288).
---
 lisp/progmodes/which-func.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/progmodes/which-func.el b/lisp/progmodes/which-func.el
index 4388b0e7de..abe25f2c63 100644
--- a/lisp/progmodes/which-func.el
+++ b/lisp/progmodes/which-func.el
@@ -216,7 +216,7 @@ It creates the Imenu index for the buffer, if necessary."
      (setq which-func-mode nil))))
 
 (defun which-func-update ()
-  "Update the Which-Function mode display for all windows."
+  "Update the Which-Function mode display in the current window."
   ;; (walk-windows 'which-func-update-1 nil 'visible))
   (let ((non-essential t))
     (which-func-update-1 (selected-window))))