1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/shell.el b/lisp/shell.el
index a751aa52e93..78eeb479300 100644
--- a/lisp/shell.el
+++ b/lisp/shell.el
@@ -270,7 +270,7 @@ for Shell mode only."
                  (const input)
                  (const history)
                  (const :tag "on" t))
-  :type 'shell)
+  :group 'shell)
 
 (defvar shell-dirstack nil
   "List of directories saved by pushd in this buffer's shell.