2 files changed, 4 insertions, 0 deletions

diff --git a/lisp/eshell/em-tramp.el b/lisp/eshell/em-tramp.el
index e322cea1e21..e2da3468aba 100644
--- a/lisp/eshell/em-tramp.el
+++ b/lisp/eshell/em-tramp.el
@@ -32,6 +32,8 @@
   (require 'eshell)
   (require 'tramp))
 
+;; There are no items in this custom group, but eshell modules (ab)use
+;; custom groups.
 ;;;###autoload
 (progn
  (defgroup eshell-tramp nil
diff --git a/lisp/eshell/em-xtra.el b/lisp/eshell/em-xtra.el
index 7b80f64d629..89814467d1f 100644
--- a/lisp/eshell/em-xtra.el
+++ b/lisp/eshell/em-xtra.el
@@ -29,6 +29,8 @@
   (require 'pcomplete))
 (require 'compile)
 
+;; There are no items in this custom group, but eshell modules (ab)use
+;; custom groups.
 ;;;###autoload
 (progn
 (defgroup eshell-xtra nil