1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/mouse-sel.el b/lisp/mouse-sel.el
index 9f64d6bde1a..defa3f90848 100644
--- a/lisp/mouse-sel.el
+++ b/lisp/mouse-sel.el
@@ -152,7 +152,8 @@
 (defcustom mouse-sel-mode nil
   "Toggle Mouse Sel mode.
 When Mouse Sel mode is enabled, mouse selection is enhanced in various ways.
-You must modify via \\[customize] for this variable to have an effect."
+This variable should be set only with \\[customize], which is equivalent
+to using the function `mouse-sel-mode'.
   :set (lambda (symbol value)
          (mouse-sel-mode (or value 0)))
   :initialize 'custom-initialize-default