   (let ((map (make-sparse-keymap)))
     (suppress-keymap map)
     (rdebug-populate-secondary-buffer-map map)
-    map))
+    map)
+  "Keymap used in the help buffer in the `rdebug' Ruby debugger.")
 
 (defun rdebug-secondary-window-help-mode ()
-  "Major mode for watching help test in secondary buffers.
+  "Major mode for the secondary buffer help text in the `rdebug' Ruby debugger.
 
 \\{rdebug-secondary-window-help-mode-map}"
   (interactive)


;; Remember, all menu items are added in the reverse order!

;; TODO: This is a mix of commands that apply to dedicated buffers,
;; the source buffers and the debugger shell buffer. Things like
;; "delete breakpoint" can be in source and the breakpoints window,
;; but not in the others.

(defun rdebug-populate-debugger-menu (map)
  "Populate the Rdebug 'Debugger' menu."
  (let ((menu (make-sparse-keymap)))

  "Keymap to navigate rdebug stack frames.")

(defun rdebug-frames-mode ()
 "Major mode for displaying the stack trace in the `rdebug' Ruby debugger.

\\{rdebug-frames-mode-map}"
  (interactive "")
