Add doc strings to 2 help-mode.el functions

* lisp/help-mode.el (help-mode-setup, help-mode-finish): Add doc
strings.  (Bug#21263)

1 files changed, 2 insertions, 0 deletions

diff --git a/lisp/help-mode.el b/lisp/help-mode.el
index e1fc9fd1984..37847e20279 100644
--- a/lisp/help-mode.el
+++ b/lisp/help-mode.el
@@ -294,11 +294,13 @@ Commands:
 
 ;;;###autoload
 (defun help-mode-setup ()
+  "Enter Help Mode in the current buffer."
   (help-mode)
   (setq buffer-read-only nil))
 
 ;;;###autoload
 (defun help-mode-finish ()
+  "Exit Help Mode in the current buffer."
   (when (derived-mode-p 'help-mode)
     (setq buffer-read-only t)
     (help-make-xrefs (current-buffer))))