master 5f1023a2ff 4/4: Minor doc fix in search-forward-help-for-help

[Stefan Kangas]

branch: master
commit 5f1023a2ffe7c96027c3eaf23c1cf93cd5c78dfa
Author: Stefan Kangas <stefan@marxist.se>
Commit: Stefan Kangas <stefan@marxist.se>

    Minor doc fix in search-forward-help-for-help
    
    * lisp/help.el (search-forward-help-for-help): Use command
    substitution.
---
 lisp/help.el | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lisp/help.el b/lisp/help.el
index abe17fa4ce..d9e553e4e1 100644
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -995,10 +995,11 @@ current buffer."
 
 (defun search-forward-help-for-help ()
   "Search forward in the help-for-help window.
-This command is meant to be used after issuing the `C-h C-h' command."
+This command is meant to be used after issuing the \\[help-for-help] command."
   (interactive)
   (unless (get-buffer help-for-help-buffer-name)
-    (error "No %s buffer; use `C-h C-h' first" help-for-help-buffer-name))
+    (error (substitute-command-keys "No %s buffer; use \\[help-for-help] 
first")
+           help-for-help-buffer-name))
   ;; Move cursor to the "help window".
   (pop-to-buffer help-for-help-buffer-name)
   ;; Do incremental search forward.