diff --git a/emacs.el b/emacs.el
index d0b92d0..a22ee89 100644
--- a/emacs.el
+++ b/emacs.el
@@ -1,6 +1,6 @@
 ;;; emacs.el --- 10sr emacs initialization
 
-;; Time-stamp: <2018-10-17 15:38:50 JST 10sr>
+;; Time-stamp: <2018-10-17 16:27:32 JST 10sr>
 
 ;;; Code:
 
@@ -2438,6 +2438,7 @@ Result will be inserted into current buffer."
       )
     buf))
 
+;; TODO: Store view history
 (defun git-walktree--open-noselect (commitish path object)
   "Open git tree buffer of COMMITISH.
 When PATH was given and non-nil open that, otherwise open root tree.