diff --git a/init.el b/init.el
index 2bfa555..d37c5b9 100644
--- a/init.el
+++ b/init.el
@@ -13,7 +13,7 @@
 (setq backup-directory-alist `(("." . "~/.emacs.d/backups")) ) ; which directory to put backups file
 (setq vc-follow-symlinks t )                                   ; don't ask for confirmation when opening symlinked file
 (setq auto-save-file-name-transforms '((".*" "~/.emacs.d/auto-save-list/" t)) ) ;transform backups file name
-(setq undo-tree-history-directory-alist `(("." . "~/.emacs.d/undo-tree-hist/")))
+(setq undo-tree-history-directory-alist `(("." . "~/.emacs.d/undo-tree-hist/"))) ; fix undo tree folder
 (setq inhibit-startup-screen t )	; inhibit useless and old-school startup screen
 (setq ring-bell-function 'ignore )	; silent bell when you make a mistake
 (setq coding-system-for-read 'utf-8 )	; use utf-8 by default