diff --git a/lisp/textmodes/nroff-mode.el b/lisp/textmodes/nroff-mode.el
index a44f797098e..8bd53920823 100644
--- a/lisp/textmodes/nroff-mode.el
+++ b/lisp/textmodes/nroff-mode.el
@@ -37,7 +37,7 @@
 
 (defgroup nroff nil
   "Nroff mode."
-  :group 'editing
+  :group 'wp
   :prefix "nroff-")
 
 (defvar nroff-mode-abbrev-table nil