diff --git a/configuration.org b/configuration.org
index 49cc2f7..98def4f 100644
--- a/configuration.org
+++ b/configuration.org
@@ -722,9 +722,10 @@ to the beginning of the file."
 
 ** EShell related
 
-*** Delete a character, or close ~eshell~ if nothing to delet
-
-Copied from https://ryuslash.org/posts/C-d-to-close-eshell.html
+*** Delete a character, or close ~eshell~ if nothing to delete
+:PROPERTIES:
+:SOURCE:   https://ryuslash.org/posts/C-d-to-close-eshell.html
+:END:
 
 #+BEGIN_SRC emacs-lisp
 (defun eshell-C-d ()