Prefer briefcase/org to Dropbox/org

I would like to version-control most but not all of my org files.

emacs/.emacs.d/wpc/bookmark.el

@@ -21,6 +21,7 @@
 (require 'list)
 (require 'string)
 (require 'set)
+(require 'org-helpers)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Constants
@@ -60,7 +61,7 @@ Otherwise, open with `counsel-find-file'."
                   :path "~/depot"
                   :kbd "t")
    (make-bookmark :label "org"
-                  :path "~/Dropbox/org"
+                  :path org-helpers/directory
                   :kbd "o")
    (make-bookmark :label "briefcase"
                   :path (getenv "BRIEFCASE")

emacs/.emacs.d/wpc/org-helpers.el

@@ -17,7 +17,7 @@
 ;; Library
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-(defconst org-helpers/directory "~/Dropbox/org"
+(defconst org-helpers/directory "~/briefcase/org"
   "The directory where I store most of my Org files.")
 
 (defun org-helpers/find-file (name)