diff --git a/lisp/ob-core.el b/lisp/ob-core.el
index 8c22ca07b..9cc267f5a 100644
--- a/lisp/ob-core.el
+++ b/lisp/ob-core.el
@@ -1179,7 +1179,7 @@ Return t if a code block was found at point, nil otherwise."
        t)))
 
 (defun org-babel-do-key-sequence-in-edit-buffer (key)
-  "Read key sequence and execute the command in edit buffer.
+  "Read key sequence KEY and execute the command in edit buffer.
 Enter a key sequence to be executed in the language major-mode
 edit buffer.  For example, TAB will alter the contents of the
 Org code block according to the effect of TAB in the language