diff --git a/.local/share/common-lisp/source/ambrevar/file.lisp b/.local/share/common-lisp/source/ambrevar/file.lisp
index 25bfcae7..bff09b61 100644
--- a/.local/share/common-lisp/source/ambrevar/file.lisp
+++ b/.local/share/common-lisp/source/ambrevar/file.lisp
@@ -13,6 +13,8 @@
 ;; TODO: Allow some slots to modify file on disk.  Transaction?
 ;; Could we edit files virtually nonetheless?  Does that even make sense?
 
+;; TODO: Only expose readers for slots that cannot be modified, such as `path'.
+
 (sera:eval-always
   (defun name-identity (name definition)
     (declare (ignore definition))